git.oblomov.eu Git - wine/blob - misc/winsock.c

   1 /*
   2  * based on Windows Sockets 1.1 specs
   3  * (ftp.microsoft.com:/Advsys/winsock/spec11/WINSOCK.TXT)
   4  *
   5  * (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka.
   6  *
   7  * NOTE: If you make any changes to fix a particular app, make sure
   8  * they don't break something else like Netscape or telnet and ftp
   9  * clients and servers (www.winsite.com got a lot of those).
  10  *
  11  */
  12
  13 #include "config.h"
  14
  15 #include <stdio.h>
  16 #include <string.h>
  17 #include <signal.h>
  18 #include <sys/types.h>
  19 #include <sys/ipc.h>
  20 #include <sys/ioctl.h>
  21 #ifdef HAVE_SYS_FILIO_H
  22 # include <sys/filio.h>
  23 #endif
  24 #if defined(__svr4__)
  25 #include <sys/ioccom.h>
  26 #include <sys/sockio.h>
  27 #endif
  28
  29 #if defined(__EMX__)
  30 # include <sys/so_ioctl.h>
  31 #endif
  32
  33 #ifdef HAVE_SYS_PARAM_H
  34 # include <sys/param.h>
  35 #endif
  36
  37 #include <sys/msg.h>
  38 #include <sys/wait.h>
  39 #include <sys/socket.h>
  40 #include <netinet/in.h>
  41 #include <arpa/inet.h>
  42 #include <ctype.h>
  43 #include <fcntl.h>
  44 #include <errno.h>
  45 #include <netdb.h>
  46 #include <unistd.h>
  47
  48 #include "winsock.h"
  49 #include "windows.h"
  50 #include "winnt.h"
  51 #include "heap.h"
  52 #include "ldt.h"
  53 #include "task.h"
  54 #include "message.h"
  55 #include "miscemu.h"
  56 #include "debug.h"
  57
  58 #define DEBUG_SOCKADDR 0
  59 #define dump_sockaddr(a) \
  60         DUMP("sockaddr_in: family %d, address %s, port %d\n", \
  61                         ((struct sockaddr_in *)a)->sin_family, \
  62                         inet_ntoa(((struct sockaddr_in *)a)->sin_addr), \
  63                         ntohs(((struct sockaddr_in *)a)->sin_port))
  64
  65 #pragma pack(4)
  66
  67 /* ----------------------------------- internal data */
  68
  69 extern int h_errno;
  70
  71 static HANDLE32         _WSHeap = 0;
  72 static unsigned char*   _ws_stub = NULL;
  73 static LPWSINFO         _wsi_list = NULL;
  74
  75 #define WS_ALLOC(size) \
  76         HeapAlloc(_WSHeap, HEAP_ZERO_MEMORY, (size) )
  77 #define WS_FREE(ptr) \
  78         HeapFree(_WSHeap, 0, (ptr) )
  79
  80 #define WS_PTR2HANDLE(ptr) \
  81         ((short)((int)(ptr) - (int)_ws_stub))
  82 #define WS_HANDLE2PTR(handle) \
  83         ((unsigned)((int)_ws_stub + (int)(handle)))
  84
  85 #define WSI_CHECK_RANGE(pwsi, pws) \
  86         ( ((unsigned)(pws) > (unsigned)(pwsi)) && \
  87           ((unsigned)(pws) < ((unsigned)(pwsi) + sizeof(WSINFO))) )
  88
  89 static INT32         _ws_sock_ops[] =
  90        { WS_SO_DEBUG, WS_SO_REUSEADDR, WS_SO_KEEPALIVE, WS_SO_DONTROUTE,
  91          WS_SO_BROADCAST, WS_SO_LINGER, WS_SO_OOBINLINE, WS_SO_SNDBUF,
  92          WS_SO_RCVBUF, WS_SO_ERROR, WS_SO_TYPE, WS_SO_DONTLINGER, 0 };
  93 static int           _px_sock_ops[] =
  94        { SO_DEBUG, SO_REUSEADDR, SO_KEEPALIVE, SO_DONTROUTE, SO_BROADCAST,
  95          SO_LINGER, SO_OOBINLINE, SO_SNDBUF, SO_RCVBUF, SO_ERROR, SO_TYPE,
  96          SO_LINGER };
  97
  98 static int   _check_ws(LPWSINFO pwsi, ws_socket* pws);
  99 static char* _check_buffer(LPWSINFO pwsi, int size);
 100
 101 extern void EVENT_AddIO( int fd, unsigned flag );
 102 extern void EVENT_DeleteIO( int fd, unsigned flag );
 103
 104 /***********************************************************************
 105  *          convert_sockopt()
 106  *
 107  * Converts socket flags from Windows format.
 108  */
 109 static void convert_sockopt(INT32 *level, INT32 *optname)
 110 {
 111   int i;
 112   switch (*level)
 113   {
 114      case WS_SOL_SOCKET:
 115         *level = SOL_SOCKET;
 116         for(i=0; _ws_sock_ops[i]; i++)
 117             if( _ws_sock_ops[i] == *optname ) break;
 118         if( _ws_sock_ops[i] ) *optname = _px_sock_ops[i];
 119         else WARN(winsock, "Unknown optname %d\n", *optname);
 120         break;
 121      case WS_IPPROTO_TCP:
 122         *optname = IPPROTO_TCP;
 123   }
 124 }
 125
 126 /* ----------------------------------- Per-thread info (or per-process?) */
 127
 128 static LPWSINFO wsi_find(HTASK16 hTask)
 129 {
 130     TDB*           pTask = (TDB*)GlobalLock16(hTask);
 131     if( pTask )
 132     {
 133         if( pTask->pwsi ) return pTask->pwsi;
 134         else
 135         {
 136             LPWSINFO pwsi = _wsi_list;
 137             while( pwsi && pwsi->tid != hTask ) pwsi = pwsi->next;
 138             if( pwsi )
 139                 WARN(winsock,"(pwsi=0x%08x,task=0x%04x):Loose wsi struct! \n",
 140                                         (unsigned)pwsi, hTask );
 141             return pwsi;
 142         }
 143     }
 144     return NULL;
 145 }
 146
 147 static ws_socket* wsi_alloc_socket(LPWSINFO pwsi, int fd)
 148 {
 149     /* Initialize a new entry in the socket table */
 150
 151     if( pwsi->last_free >= 0 )
 152     {
 153         int i = pwsi->last_free;
 154
 155         pwsi->last_free = pwsi->sock[i].flags;  /* free list */
 156         pwsi->sock[i].fd = fd;
 157         pwsi->sock[i].flags = 0;
 158         return &pwsi->sock[i];
 159     }
 160     return NULL;
 161 }
 162
 163 static int wsi_strtolo(LPWSINFO pwsi, const char* name, const char* opt)
 164 {
 165     /* Stuff a lowercase copy of the string into the local buffer */
 166
 167     int i = strlen(name) + 2;
 168     char* p = _check_buffer(pwsi, i + ((opt)?strlen(opt):0));
 169
 170     if( p )
 171     {
 172         do *p++ = tolower(*name); while(*name++);
 173         i = (p - (char*)(pwsi->buffer));
 174         if( opt ) do *p++ = tolower(*opt); while(*opt++);
 175         return i;
 176     }
 177     return 0;
 178 }
 179
 180 static fd_set* fd_set_import( fd_set* fds, LPWSINFO pwsi, void* wsfds, int* highfd, BOOL32 b32 )
 181 {
 182     /* translate Winsock fd set into local fd set */
 183
 184     if( wsfds )
 185     {
 186 #define wsfds16 ((ws_fd_set16*)wsfds)
 187 #define wsfds32 ((ws_fd_set32*)wsfds)
 188         ws_socket* pws;
 189         int i, count;
 190
 191         FD_ZERO(fds);
 192         count = b32 ? wsfds32->fd_count : wsfds16->fd_count;
 193
 194         for( i = 0; i < count; i++ )
 195         {
 196              pws = (b32) ? (ws_socket*)WS_HANDLE2PTR(wsfds32->fd_array[i])
 197                          : (ws_socket*)WS_HANDLE2PTR(wsfds16->fd_array[i]);
 198              if( _check_ws(pwsi, pws) )
 199              {
 200                     if( pws->fd > *highfd ) *highfd = pws->fd;
 201                     FD_SET(pws->fd, fds);
 202              }
 203         }
 204 #undef wsfds32
 205 #undef wsfds16
 206         return fds;
 207     }
 208     return NULL;
 209 }
 210
 211 __inline__ static int sock_error_p(int s)
 212 {
 213     unsigned int optval, optlen;
 214
 215     optlen = sizeof(optval);
 216     getsockopt(s, SOL_SOCKET, SO_ERROR, &optval, &optlen);
 217     if (optval) WARN(winsock, "\t[%i] error: %d\n", s, optval);
 218     return optval != 0;
 219 }
 220
 221 static int fd_set_export( LPWSINFO pwsi, fd_set* fds, fd_set* exceptfds, void* wsfds, BOOL32 b32 )
 222 {
 223     int num_err = 0;
 224
 225     /* translate local fd set into Winsock fd set, adding
 226      * errors to exceptfds (only if app requested it) */
 227
 228     if( wsfds )
 229     {
 230 #define wsfds16 ((ws_fd_set16*)wsfds)
 231 #define wsfds32 ((ws_fd_set32*)wsfds)
 232         int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
 233
 234         for( i = 0, j = 0; i < count; i++ )
 235         {
 236             ws_socket *pws = (b32) ? (ws_socket*)WS_HANDLE2PTR(wsfds32->fd_array[i])
 237                                    : (ws_socket*)WS_HANDLE2PTR(wsfds16->fd_array[i]);
 238             if( _check_ws(pwsi, pws) )
 239             {
 240                 int fd = pws->fd;
 241
 242                 if( FD_ISSET(fd, fds) )
 243                 {
 244                     if ( exceptfds && sock_error_p(fd) )
 245                     {
 246                         FD_SET(fd, exceptfds);
 247                         num_err++;
 248                     }
 249                     else if( b32 )
 250                              wsfds32->fd_array[j++] = wsfds32->fd_array[i];
 251                          else
 252                              wsfds16->fd_array[j++] = wsfds16->fd_array[i];
 253                 }
 254             }
 255         }
 256
 257         if( b32 ) wsfds32->fd_count = j;
 258         else wsfds16->fd_count = j;
 259
 260         TRACE(winsock, "\n");
 261 #undef wsfds32
 262 #undef wsfds16
 263     }
 264     return num_err;
 265 }
 266
 267 HANDLE16 __ws_gethandle( void* ptr )
 268 {
 269     return (HANDLE16)WS_PTR2HANDLE(ptr);
 270 }
 271
 272 void* __ws_memalloc( int size )
 273 {
 274     return WS_ALLOC(size);
 275 }
 276
 277 void __ws_memfree(void* ptr)
 278 {
 279     WS_FREE(ptr);
 280 }
 281
 282 /* ----------------------------------- API -----
 283  *
 284  * Init / cleanup / error checking.
 285  */
 286
 287 /***********************************************************************
 288  *      WSAStartup16()                  (WINSOCK.115)
 289  *
 290  * Create socket control struct, attach it to the global list and
 291  * update a pointer in the task struct.
 292  */
 293 INT16 WINAPI WSAStartup16(UINT16 wVersionRequested, LPWSADATA lpWSAData)
 294 {
 295     WSADATA WINSOCK_data = { 0x0101, 0x0101,
 296                           "WINE Sockets 1.1",
 297                         #ifdef linux
 298                                 "Linux/i386",
 299                         #elif defined(__NetBSD__)
 300                                 "NetBSD/i386",
 301                         #elif defined(sunos)
 302                                 "SunOS",
 303                         #elif defined(__FreeBSD__)
 304                                 "FreeBSD",
 305                         #elif defined(__OpenBSD__)
 306                                 "OpenBSD/i386",
 307                         #else
 308                                 "Unknown",
 309                         #endif
 310                            WS_MAX_SOCKETS_PER_PROCESS,
 311                            WS_MAX_UDP_DATAGRAM, (SEGPTR)NULL };
 312     HTASK16             tid = GetCurrentTask();
 313     LPWSINFO            pwsi;
 314
 315     TRACE(winsock, "verReq=%x\n", wVersionRequested);
 316
 317     if (LOBYTE(wVersionRequested) < 1 || (LOBYTE(wVersionRequested) == 1 &&
 318         HIBYTE(wVersionRequested) < 1)) return WSAVERNOTSUPPORTED;
 319
 320     if (!lpWSAData) return WSAEINVAL;
 321
 322     /* initialize socket heap */
 323
 324     if( !_ws_stub )
 325     {
 326         _WSHeap = HeapCreate(HEAP_ZERO_MEMORY, 8120, 32768);
 327         if( !(_ws_stub = WS_ALLOC(0x10)) )
 328         {
 329             ERR(winsock,"Fatal: failed to create WinSock heap\n");
 330             return 0;
 331         }
 332     }
 333     if( _WSHeap == 0 ) return WSASYSNOTREADY;
 334
 335     /* create socket array for this task */
 336
 337     pwsi = wsi_find(GetCurrentTask());
 338     if( pwsi == NULL )
 339     {
 340         TDB* pTask = (TDB*)GlobalLock16( tid );
 341
 342         if( (pwsi = (LPWSINFO)WS_ALLOC( sizeof(WSINFO))) )
 343         {
 344             int i = 0;
 345             pwsi->tid = tid;
 346             for( i = 0; i < WS_MAX_SOCKETS_PER_PROCESS; i++ )
 347             {
 348                 pwsi->sock[i].fd = -1;
 349                 pwsi->sock[i].flags = i + 1;
 350             }
 351             pwsi->sock[WS_MAX_SOCKETS_PER_PROCESS - 1].flags = -1;
 352         }
 353         else return WSASYSNOTREADY;
 354
 355         /* add this control struct to the global list */
 356
 357         pwsi->prev = NULL;
 358         if( _wsi_list )
 359             _wsi_list->prev = pwsi;
 360         pwsi->next = _wsi_list;
 361         _wsi_list = pwsi;
 362         pTask->pwsi = pwsi;
 363     }
 364     else pwsi->num_startup++;
 365
 366     /* return winsock information */
 367
 368     memcpy(lpWSAData, &WINSOCK_data, sizeof(WINSOCK_data));
 369
 370     TRACE(winsock, "succeeded\n");
 371     return 0;
 372 }
 373
 374 /***********************************************************************
 375  *      WSAStartup32()                  (WSOCK32.115)
 376  */
 377 INT32 WINAPI WSAStartup32(UINT32 wVersionRequested, LPWSADATA lpWSAData)
 378 {
 379     return WSAStartup16( wVersionRequested, lpWSAData );
 380 }
 381
 382 /***********************************************************************
 383  *      WSACleanup()                    (WINSOCK.116)
 384  *
 385  * Cleanup functions of varying impact.
 386  */
 387 void WINSOCK_Shutdown()
 388 {
 389     /* Called on exit(), has to remove all outstanding async DNS processes.  */
 390
 391     WINSOCK_cancel_task_aops( 0, __ws_memfree );
 392 }
 393
 394 INT32 WINSOCK_DeleteTaskWSI( TDB* pTask, LPWSINFO pwsi )
 395 {
 396     /* WSACleanup() backend, called on task termination as well.
 397      * Real DLL would have registered its own signal handler with
 398      * TaskSetSignalHandler() and waited until USIG_TERMINATION/USIG_GPF
 399      * but this scheme is much more straightforward.
 400      */
 401
 402     int i, j, n;
 403
 404     if( --pwsi->num_startup > 0 ) return 0;
 405
 406     SIGNAL_MaskAsyncEvents( TRUE );
 407     WINSOCK_cancel_task_aops( pTask->hSelf, __ws_memfree );
 408     SIGNAL_MaskAsyncEvents( FALSE );
 409
 410     /* unlink socket control struct */
 411
 412     if( pwsi == _wsi_list )
 413         _wsi_list = pwsi->next;
 414     else
 415         pwsi->prev->next = pwsi->next;
 416     if( pwsi->next ) pwsi->next->prev = pwsi->prev;
 417
 418     if( _wsi_list == NULL )
 419         WINSOCK_Shutdown();     /* just in case */
 420
 421     if( pwsi->flags & WSI_BLOCKINGCALL )
 422         TRACE(winsock,"\tinside blocking call!\n");
 423
 424 /* FIXME: aop_control() doesn't decrement pwsi->num_async_rq
 425  *
 426  *    if( pwsi->num_async_rq )
 427  *        WARN(winsock,"\thave %i outstanding async ops!\n", pwsi->num_async_rq );
 428  */
 429
 430     for(i = 0, j = 0, n = 0; i < WS_MAX_SOCKETS_PER_PROCESS; i++)
 431         if( pwsi->sock[i].fd != -1 )
 432         {
 433             if( pwsi->sock[i].psop )
 434             {
 435                 n++;
 436                 WSAAsyncSelect32( (SOCKET16)WS_PTR2HANDLE(pwsi->sock + i), 0, 0, 0 );
 437             }
 438             close(pwsi->sock[i].fd); j++;
 439         }
 440     if( j )
 441           TRACE(winsock,"\tclosed %i sockets, killed %i async selects!\n", j, n);
 442
 443     /* delete scratch buffers */
 444
 445     if( pwsi->buffer ) SEGPTR_FREE(pwsi->buffer);
 446     if( pwsi->dbuffer ) SEGPTR_FREE(pwsi->dbuffer);
 447
 448     if( pTask )
 449         pTask->pwsi = NULL;
 450     memset( pwsi, 0, sizeof(WSINFO) );
 451     WS_FREE(pwsi);
 452     return 0;
 453 }
 454
 455 INT32 WINAPI WSACleanup(void)
 456 {
 457     HTASK16     hTask = GetCurrentTask();
 458
 459     TRACE(winsock, "(%04x)\n", hTask );
 460     if( hTask )
 461     {
 462         LPWSINFO pwsi = wsi_find(hTask);
 463         if( pwsi )
 464             return WINSOCK_DeleteTaskWSI( (TDB*)GlobalLock16(hTask), pwsi );
 465         return SOCKET_ERROR;
 466     }
 467     else
 468         WINSOCK_Shutdown(); /* remove all outstanding DNS requests */
 469     return 0;
 470 }
 471
 472
 473 /***********************************************************************
 474  *      WSAGetLastError()               (WSOCK32.111)(WINSOCK.111)
 475  */
 476 INT32 WINAPI WSAGetLastError(void)
 477 {
 478     LPWSINFO pwsi = wsi_find(GetCurrentTask());
 479     INT16    ret = (pwsi) ? pwsi->err : WSANOTINITIALISED;
 480
 481     TRACE(winsock, "(%08x) = %i\n",
 482                     (unsigned)pwsi, (int)ret);
 483     return ret;
 484 }
 485
 486 /***********************************************************************
 487  *      WSASetLastError32()             (WSOCK32.112)
 488  */
 489 void WINAPI WSASetLastError32(INT32 iError)
 490 {
 491     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 492
 493     TRACE(winsock, "(%08x): %d\n", (unsigned)pwsi, (int)iError);
 494     if( pwsi ) pwsi->err = iError;
 495 }
 496
 497 /***********************************************************************
 498  *      WSASetLastError16()             (WINSOCK.112)
 499  */
 500 void WINAPI WSASetLastError16(INT16 iError)
 501 {
 502     WSASetLastError32(iError);
 503 }
 504
 505 int _check_ws(LPWSINFO pwsi, ws_socket* pws)
 506 {
 507     if( pwsi )
 508         if( pwsi->flags & WSI_BLOCKINGCALL ) pwsi->err = WSAEINPROGRESS;
 509         else if( WSI_CHECK_RANGE(pwsi, pws) ) return 1;
 510                  else pwsi->err = WSAENOTSOCK;
 511     return 0;
 512 }
 513
 514 char* _check_buffer(LPWSINFO pwsi, int size)
 515 {
 516     if( pwsi->buffer && pwsi->buflen >= size ) return pwsi->buffer;
 517     else SEGPTR_FREE(pwsi->buffer);
 518
 519     pwsi->buffer = (char*)SEGPTR_ALLOC((pwsi->buflen = size));
 520     return pwsi->buffer;
 521 }
 522
 523 /* ----------------------------------- i/o APIs */
 524
 525 /***********************************************************************
 526  *              accept()                (WSOCK32.1)
 527  */
 528 SOCKET32 WINAPI WINSOCK_accept32(SOCKET32 s, struct sockaddr *addr,
 529                                  INT32 *addrlen32)
 530 {
 531     ws_socket*  pws  = (ws_socket*)WS_HANDLE2PTR((SOCKET16)s);
 532     LPWSINFO    pwsi = wsi_find(GetCurrentTask());
 533
 534     TRACE(winsock, "(%08x): socket %04x\n",
 535                                   (unsigned)pwsi, (UINT16)s );
 536     if( _check_ws(pwsi, pws) )
 537     {
 538         int     sock, fd_flags;
 539
 540         fd_flags = fcntl(pws->fd, F_GETFL, 0);
 541
 542         if( (sock = accept(pws->fd, addr, addrlen32)) >= 0 )
 543         {
 544             ws_socket*  pnew = wsi_alloc_socket(pwsi, sock);
 545             if( pnew )
 546             {
 547                 s = (SOCKET32)WS_PTR2HANDLE(pnew);
 548                 if( pws->psop && pws->flags & WS_FD_ACCEPT )
 549                 {
 550                     EVENT_AddIO( pws->fd, EVENT_IO_READ );      /* reenabler */
 551
 552                     /* async select the accept()'ed socket */
 553                     WSAAsyncSelect32( s, pws->psop->hWnd, pws->psop->uMsg,
 554                                       pws->flags & ~WS_FD_ACCEPT );
 555                 }
 556                 return s;
 557             }
 558             else pwsi->err = WSAENOBUFS;
 559         }
 560         else pwsi->err = wsaErrno();
 561     }
 562     return INVALID_SOCKET32;
 563 }
 564
 565 /***********************************************************************
 566  *              accept()                (WINSOCK.1)
 567  */
 568 SOCKET16 WINAPI WINSOCK_accept16(SOCKET16 s, struct sockaddr* addr,
 569                                  INT16* addrlen16 )
 570 {
 571     INT32 addrlen32 = addrlen16 ? *addrlen16 : 0;
 572     SOCKET32 retSocket = WINSOCK_accept32( s, addr, &addrlen32 );
 573     if( addrlen16 ) *addrlen16 = (INT16)addrlen32;
 574     return (SOCKET16)retSocket;
 575 }
 576
 577 /***********************************************************************
 578  *              bind()                  (WSOCK32.2)
 579  */
 580 INT32 WINAPI WINSOCK_bind32(SOCKET32 s, struct sockaddr *name, INT32 namelen)
 581 {
 582     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
 583     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 584
 585     TRACE(winsock, "(%08x): socket %04x, ptr %8x, length %d\n",
 586                            (unsigned)pwsi, s, (int) name, namelen);
 587 #if DEBUG_SOCKADDR
 588     dump_sockaddr(name);
 589 #endif
 590
 591     if ( _check_ws(pwsi, pws) )
 592       if ( namelen >= sizeof(*name) )
 593         if ( ((struct ws_sockaddr_in *)name)->sin_family == AF_INET )
 594           if ( bind(pws->fd, name, namelen) < 0 )
 595           {
 596              int        loc_errno = errno;
 597              WARN(winsock, "\tfailure - errno = %i\n", errno);
 598              errno = loc_errno;
 599              switch(errno)
 600              {
 601                 case EBADF: pwsi->err = WSAENOTSOCK; break;
 602                 case EADDRNOTAVAIL: pwsi->err = WSAEINVAL; break;
 603                 default: pwsi->err = wsaErrno();
 604              }
 605           }
 606           else return 0; /* success */
 607         else pwsi->err = WSAEAFNOSUPPORT;
 608       else pwsi->err = WSAEFAULT;
 609     return SOCKET_ERROR;
 610 }
 611
 612 /***********************************************************************
 613  *              bind()                  (WINSOCK.2)
 614  */
 615 INT16 WINAPI WINSOCK_bind16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
 616 {
 617   return (INT16)WINSOCK_bind32( s, name, namelen );
 618 }
 619
 620 /***********************************************************************
 621  *              closesocket()           (WSOCK32.3)
 622  */
 623 INT32 WINAPI WINSOCK_closesocket32(SOCKET32 s)
 624 {
 625     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
 626     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 627
 628     TRACE(winsock, "(%08x): socket %08x\n", (unsigned)pwsi, s);
 629
 630     if( _check_ws(pwsi, pws) )
 631     {
 632         int     fd = pws->fd;
 633
 634         if( pws->psop ) WSAAsyncSelect32( s, 0, 0, 0 );
 635
 636         pws->fd = -1;
 637         pws->flags = (unsigned)pwsi->last_free;
 638         pwsi->last_free = pws - &pwsi->sock[0]; /* add to free list */
 639
 640         if( close(fd) == 0 )
 641             return 0;
 642         pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
 643     }
 644     return SOCKET_ERROR;
 645 }
 646
 647 /***********************************************************************
 648  *              closesocket()           (WINSOCK.3)
 649  */
 650 INT16 WINAPI WINSOCK_closesocket16(SOCKET16 s)
 651 {
 652     return (INT16)WINSOCK_closesocket32(s);
 653 }
 654
 655 /***********************************************************************
 656  *              connect()               (WSOCK32.4)
 657  */
 658 INT32 WINAPI WINSOCK_connect32(SOCKET32 s, struct sockaddr *name, INT32 namelen)
 659 {
 660   ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
 661   LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 662
 663   TRACE(winsock, "(%08x): socket %04x, ptr %8x, length %d\n",
 664                            (unsigned)pwsi, s, (int) name, namelen);
 665 #if DEBUG_SOCKADDR
 666   dump_sockaddr(name);
 667 #endif
 668
 669   if( _check_ws(pwsi, pws) )
 670   {
 671     if (connect(pws->fd, name, namelen) == 0)
 672     {
 673         if( pws->psop && (pws->flags & WS_FD_CONNECT) )
 674         {
 675             /* application did AsyncSelect() but then went
 676              * ahead and called connect() without waiting for
 677              * notification.
 678              *
 679              * FIXME: Do we have to post a notification message
 680              *        in this case?
 681              */
 682
 683             if( !(pws->flags & WS_FD_CONNECTED) )
 684             {
 685                 if( pws->flags & (WS_FD_READ | WS_FD_CLOSE) )
 686                     EVENT_AddIO( pws->fd, EVENT_IO_READ );
 687                 else
 688                     EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
 689                 if( pws->flags & WS_FD_WRITE )
 690                     EVENT_AddIO( pws->fd, EVENT_IO_WRITE );
 691                 else
 692                     EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
 693             }
 694         }
 695         pws->flags |= WS_FD_CONNECTED;
 696         pws->flags &= ~(WS_FD_INACTIVE | WS_FD_CONNECT | WS_FD_LISTENING);
 697         return 0;
 698     }
 699     pwsi->err = (errno == EINPROGRESS) ? WSAEWOULDBLOCK : wsaErrno();
 700   }
 701   return SOCKET_ERROR;
 702 }
 703
 704 /***********************************************************************
 705  *              connect()               (WINSOCK.4)
 706  */
 707 INT16 WINAPI WINSOCK_connect16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
 708 {
 709   return (INT16)WINSOCK_connect32( s, name, namelen );
 710 }
 711
 712 /***********************************************************************
 713  *              getpeername()           (WSOCK32.5)
 714  */
 715 INT32 WINAPI WINSOCK_getpeername32(SOCKET32 s, struct sockaddr *name,
 716                                    INT32 *namelen)
 717 {
 718     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
 719     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 720
 721     TRACE(winsock, "(%08x): socket: %04x, ptr %8x, ptr %8x\n",
 722                            (unsigned)pwsi, s, (int) name, *namelen);
 723     if( _check_ws(pwsi, pws) )
 724     {
 725         if (getpeername(pws->fd, name, namelen) == 0)
 726             return 0;
 727         pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
 728     }
 729     return SOCKET_ERROR;
 730 }
 731
 732 /***********************************************************************
 733  *              getpeername()           (WINSOCK.5)
 734  */
 735 INT16 WINAPI WINSOCK_getpeername16(SOCKET16 s, struct sockaddr *name,
 736                                    INT16 *namelen16)
 737 {
 738     INT32 namelen32 = *namelen16;
 739     INT32 retVal = WINSOCK_getpeername32( s, name, &namelen32 );
 740
 741 #if DEBUG_SOCKADDR
 742     dump_sockaddr(name);
 743 #endif
 744
 745    *namelen16 = namelen32;
 746     return (INT16)retVal;
 747 }
 748
 749 /***********************************************************************
 750  *              getsockname()           (WSOCK32.6)
 751  */
 752 INT32 WINAPI WINSOCK_getsockname32(SOCKET32 s, struct sockaddr *name,
 753                                    INT32 *namelen)
 754 {
 755     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
 756     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 757
 758     TRACE(winsock, "(%08x): socket: %04x, ptr %8x, ptr %8x\n",
 759                           (unsigned)pwsi, s, (int) name, (int) *namelen);
 760     if( _check_ws(pwsi, pws) )
 761     {
 762         if (getsockname(pws->fd, name, namelen) == 0)
 763             return 0;
 764         pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
 765     }
 766     return SOCKET_ERROR;
 767 }
 768
 769 /***********************************************************************
 770  *              getsockname()           (WINSOCK.6)
 771  */
 772 INT16 WINAPI WINSOCK_getsockname16(SOCKET16 s, struct sockaddr *name,
 773                                    INT16 *namelen16)
 774 {
 775     INT32 retVal;
 776
 777     if( namelen16 )
 778     {
 779         INT32 namelen32 = *namelen16;
 780         retVal = WINSOCK_getsockname32( s, name, &namelen32 );
 781        *namelen16 = namelen32;
 782
 783 #if DEBUG_SOCKADDR
 784     dump_sockaddr(name);
 785 #endif
 786
 787     }
 788     else retVal = SOCKET_ERROR;
 789     return (INT16)retVal;
 790 }
 791
 792
 793 /***********************************************************************
 794  *              getsockopt()            (WSOCK32.7)
 795  */
 796 INT32 WINAPI WINSOCK_getsockopt32(SOCKET32 s, INT32 level,
 797                                   INT32 optname, char *optval, INT32 *optlen)
 798 {
 799     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
 800     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 801
 802     TRACE(winsock, "(%08x): socket: %04x, opt %d, ptr %8x, ptr %8x\n",
 803                            (unsigned)pwsi, s, level, (int) optval, (int) *optlen);
 804     if( _check_ws(pwsi, pws) )
 805     {
 806         convert_sockopt(&level, &optname);
 807         if (getsockopt(pws->fd, (int) level, optname, optval, optlen) == 0 )
 808             return 0;
 809         pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
 810     }
 811     return SOCKET_ERROR;
 812 }
 813
 814 /***********************************************************************
 815  *              getsockopt()            (WINSOCK.7)
 816  */
 817 INT16 WINAPI WINSOCK_getsockopt16(SOCKET16 s, INT16 level,
 818                                   INT16 optname, char *optval, INT16 *optlen)
 819 {
 820     INT32 optlen32;
 821     INT32 *p = &optlen32;
 822     INT32 retVal;
 823     if( optlen ) optlen32 = *optlen; else p = NULL;
 824     retVal = WINSOCK_getsockopt32( s, (UINT16)level, optname, optval, p );
 825     if( optlen ) *optlen = optlen32;
 826     return (INT16)retVal;
 827 }
 828
 829 /***********************************************************************
 830  *              htonl()                 (WINSOCK.8)(WSOCK32.8)
 831  */
 832 u_long WINAPI WINSOCK_htonl(u_long hostlong)   { return( htonl(hostlong) ); }
 833 /***********************************************************************
 834  *              htons()                 (WINSOCK.9)(WSOCK32.9)
 835  */
 836 u_short WINAPI WINSOCK_htons(u_short hostshort) { return( htons(hostshort) ); }
 837 /***********************************************************************
 838  *              inet_addr()             (WINSOCK.10)(WSOCK32.10)
 839  */
 840 u_long WINAPI WINSOCK_inet_addr(char *cp)      { return( inet_addr(cp) ); }
 841 /***********************************************************************
 842  *              htohl()                 (WINSOCK.14)(WSOCK32.14)
 843  */
 844 u_long WINAPI WINSOCK_ntohl(u_long netlong)    { return( ntohl(netlong) ); }
 845 /***********************************************************************
 846  *              ntohs()                 (WINSOCK.15)(WSOCK32.15)
 847  */
 848 u_short WINAPI WINSOCK_ntohs(u_short netshort)  { return( ntohs(netshort) ); }
 849
 850 /***********************************************************************
 851  *              inet_ntoa()             (WINSOCK.11)(WSOCK32.11)
 852  */
 853 char* WINAPI WINSOCK_inet_ntoa32(struct in_addr in)
 854 {
 855   /* use "buffer for dummies" here because some applications have
 856    * propensity to decode addresses in ws_hostent structure without
 857    * saving them first...
 858    */
 859
 860     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 861
 862     if( pwsi )
 863     {
 864         char*   s = inet_ntoa(in);
 865         if( s )
 866         {
 867             if( pwsi->dbuffer == NULL )
 868                 if((pwsi->dbuffer = (char*) SEGPTR_ALLOC(32)) == NULL )
 869                 {
 870                     pwsi->err = WSAENOBUFS;
 871                     return NULL;
 872                 }
 873             strncpy(pwsi->dbuffer, s, 32 );
 874             return pwsi->dbuffer;
 875         }
 876         pwsi->err = wsaErrno();
 877     }
 878     return NULL;
 879 }
 880
 881 SEGPTR WINAPI WINSOCK_inet_ntoa16(struct in_addr in)
 882 {
 883   char* retVal = WINSOCK_inet_ntoa32(in);
 884   return retVal ? SEGPTR_GET(retVal) : (SEGPTR)NULL;
 885 }
 886
 887 /***********************************************************************
 888  *              ioctlsocket()           (WSOCK32.12)
 889  */
 890 INT32 WINAPI WINSOCK_ioctlsocket32(SOCKET32 s, UINT32 cmd, UINT32 *argp)
 891 {
 892   ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
 893   LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 894
 895   TRACE(winsock, "(%08x): socket %04x, cmd %08x, ptr %8x\n",
 896                           (unsigned)pwsi, s, cmd, (unsigned) argp);
 897   if( _check_ws(pwsi, pws) )
 898   {
 899     long        newcmd  = cmd;
 900
 901     switch( cmd )
 902     {
 903         case WS_FIONREAD:
 904                 newcmd=FIONREAD;
 905                 break;
 906
 907         case WS_FIONBIO:
 908                 newcmd=FIONBIO;
 909                 if( pws->psop && *argp == 0 )
 910                 {
 911                     /* AsyncSelect()'ed sockets are always nonblocking */
 912                     pwsi->err = WSAEINVAL;
 913                     return SOCKET_ERROR;
 914                 }
 915                 break;
 916
 917         case WS_SIOCATMARK:
 918                 newcmd=SIOCATMARK;
 919                 break;
 920
 921         case WS_IOW('f',125,u_long):
 922                 WARN(winsock,"Warning: WS1.1 shouldn't be using async I/O\n");
 923                 pwsi->err = WSAEINVAL;
 924                 return SOCKET_ERROR;
 925
 926         default:
 927                 /* Netscape tries hard to use bogus ioctl 0x667e */
 928                 WARN(winsock, "\tunknown WS_IOCTL cmd (%08x)\n", cmd);
 929     }
 930     if( ioctl(pws->fd, newcmd, (char*)argp ) == 0 ) return 0;
 931     pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
 932   }
 933   return SOCKET_ERROR;
 934 }
 935
 936 /***********************************************************************
 937  *              ioctlsocket()           (WINSOCK.12)
 938  */
 939 INT16 WINAPI WINSOCK_ioctlsocket16(SOCKET16 s, UINT32 cmd, UINT32 *argp)
 940 {
 941     return (INT16)WINSOCK_ioctlsocket32( s, cmd, argp );
 942 }
 943
 944
 945 /***********************************************************************
 946  *              listen()                (WSOCK32.13)
 947  */
 948 INT32 WINAPI WINSOCK_listen32(SOCKET32 s, INT32 backlog)
 949 {
 950     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
 951     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 952
 953     TRACE(winsock, "(%08x): socket %04x, backlog %d\n",
 954                             (unsigned)pwsi, s, backlog);
 955     if( _check_ws(pwsi, pws) )
 956     {
 957         if (listen(pws->fd, backlog) == 0)
 958         {
 959             if( !pws->psop )
 960             {
 961                 int  fd_flags = fcntl(pws->fd, F_GETFL, 0);
 962                 if( !(fd_flags & O_NONBLOCK) ) pws->flags |= WS_FD_ACCEPT;
 963             }
 964             pws->flags |= WS_FD_LISTENING;
 965             pws->flags &= ~(WS_FD_INACTIVE | WS_FD_CONNECT | WS_FD_CONNECTED); /* just in case */
 966             return 0;
 967         }
 968         pwsi->err = wsaErrno();
 969     }
 970     else if( pwsi ) pwsi->err = WSAENOTSOCK;
 971     return SOCKET_ERROR;
 972 }
 973
 974 /***********************************************************************
 975  *              listen()                (WINSOCK.13)
 976  */
 977 INT16 WINAPI WINSOCK_listen16(SOCKET16 s, INT16 backlog)
 978 {
 979     return (INT16)WINSOCK_listen32( s, backlog );
 980 }
 981
 982
 983 /***********************************************************************
 984  *              recv()                  (WSOCK32.16)
 985  */
 986 INT32 WINAPI WINSOCK_recv32(SOCKET32 s, char *buf, INT32 len, INT32 flags)
 987 {
 988     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
 989     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
 990
 991     TRACE(winsock, "(%08x): socket %04x, buf %8x, len %d, "
 992                     "flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
 993                     len, flags);
 994     if( _check_ws(pwsi, pws) )
 995     {
 996         INT32 length;
 997         if ((length = recv(pws->fd, buf, len, flags)) >= 0)
 998         {
 999             TRACE(winsock, " -> %i bytes\n", length);
1000
1001             if( pws->psop && (pws->flags & (WS_FD_READ | WS_FD_CLOSE)) )
1002                 EVENT_AddIO( pws->fd, EVENT_IO_READ );  /* reenabler */
1003
1004             return length;
1005         }
1006         pwsi->err = wsaErrno();
1007     }
1008     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1009     WARN(winsock, " -> ERROR\n");
1010     return SOCKET_ERROR;
1011 }
1012
1013 /***********************************************************************
1014  *              recv()                  (WINSOCK.16)
1015  */
1016 INT16 WINAPI WINSOCK_recv16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1017 {
1018     return (INT16)WINSOCK_recv32( s, buf, len, flags );
1019 }
1020
1021
1022 /***********************************************************************
1023  *              recvfrom()              (WSOCK32.17)
1024  */
1025 INT32 WINAPI WINSOCK_recvfrom32(SOCKET32 s, char *buf, INT32 len, INT32 flags,
1026                                 struct sockaddr *from, INT32 *fromlen32)
1027 {
1028     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
1029     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1030
1031     TRACE(winsock, "(%08x): socket %04x, ptr %08x, "
1032                     "len %d, flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
1033                     len, flags);
1034 #if DEBUG_SOCKADDR
1035     if( from ) dump_sockaddr(from);
1036     else DUMP("from = NULL\n");
1037 #endif
1038
1039     if( _check_ws(pwsi, pws) )
1040     {
1041         int length;
1042
1043         if ((length = recvfrom(pws->fd, buf, len, flags, from, fromlen32)) >= 0)
1044         {
1045             TRACE(winsock, " -> %i bytes\n", length);
1046
1047             if( pws->psop && (pws->flags & (WS_FD_READ | WS_FD_CLOSE)) )
1048                 EVENT_AddIO( pws->fd, EVENT_IO_READ );  /* reenabler */
1049
1050             return (INT16)length;
1051         }
1052         pwsi->err = wsaErrno();
1053     }
1054     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1055     WARN(winsock, " -> ERROR\n");
1056     return SOCKET_ERROR;
1057 }
1058
1059 /***********************************************************************
1060  *              recvfrom()              (WINSOCK.17)
1061  */
1062 INT16 WINAPI WINSOCK_recvfrom16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1063                                 struct sockaddr *from, INT16 *fromlen16)
1064 {
1065     INT32 fromlen32;
1066     INT32 *p = &fromlen32;
1067     INT32 retVal;
1068
1069     if( fromlen16 ) fromlen32 = *fromlen16; else p = NULL;
1070     retVal = WINSOCK_recvfrom32( s, buf, len, flags, from, p );
1071     if( fromlen16 ) *fromlen16 = fromlen32;
1072     return (INT16)retVal;
1073 }
1074
1075 /***********************************************************************
1076  *              select()                (WINSOCK.18)(WSOCK32.18)
1077  */
1078 static INT32 __ws_select( BOOL32 b32, void *ws_readfds, void *ws_writefds, void *ws_exceptfds,
1079                           struct timeval *timeout )
1080 {
1081     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1082
1083     TRACE(winsock, "(%08x): read %8x, write %8x, excp %8x\n",
1084     (unsigned) pwsi, (unsigned) ws_readfds, (unsigned) ws_writefds, (unsigned) ws_exceptfds);
1085
1086     if( pwsi )
1087     {
1088         int         highfd = 0;
1089         fd_set      readfds, writefds, exceptfds;
1090         fd_set     *p_read, *p_write, *p_except;
1091
1092         p_read = fd_set_import(&readfds, pwsi, ws_readfds, &highfd, b32);
1093         p_write = fd_set_import(&writefds, pwsi, ws_writefds, &highfd, b32);
1094         p_except = fd_set_import(&exceptfds, pwsi, ws_exceptfds, &highfd, b32);
1095
1096         if( (highfd = select(highfd + 1, p_read, p_write, p_except, timeout)) > 0 )
1097         {
1098             fd_set_export(pwsi, &readfds, p_except, ws_readfds, b32);
1099             fd_set_export(pwsi, &writefds, p_except, ws_writefds, b32);
1100
1101             if (p_except && ws_exceptfds)
1102             {
1103 #define wsfds16 ((ws_fd_set16*)ws_exceptfds)
1104 #define wsfds32 ((ws_fd_set32*)ws_exceptfds)
1105                 int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
1106
1107                 for (i = j = 0; i < count; i++)
1108                 {
1109                     ws_socket *pws = (b32) ? (ws_socket *)WS_HANDLE2PTR(wsfds32->fd_array[i])
1110                                            : (ws_socket *)WS_HANDLE2PTR(wsfds16->fd_array[i]);
1111                     if( _check_ws(pwsi, pws) && FD_ISSET(pws->fd, &exceptfds) )
1112                     {
1113                         if( b32 )
1114                                 wsfds32->fd_array[j++] = wsfds32->fd_array[i];
1115                         else
1116                                 wsfds16->fd_array[j++] = wsfds16->fd_array[i];
1117                     }
1118                 }
1119                 if( b32 )
1120                     wsfds32->fd_count = j;
1121                 else
1122                     wsfds16->fd_count = j;
1123 #undef wsfds32
1124 #undef wsfds16
1125             }
1126             return highfd;
1127         }
1128         if( ws_readfds ) ((ws_fd_set32*)ws_readfds)->fd_count = 0;
1129         if( ws_writefds ) ((ws_fd_set32*)ws_writefds)->fd_count = 0;
1130         if( ws_exceptfds ) ((ws_fd_set32*)ws_exceptfds)->fd_count = 0;
1131
1132         if( highfd == 0 ) return 0;
1133         pwsi->err = wsaErrno();
1134     }
1135     return SOCKET_ERROR;
1136 }
1137
1138 INT16 WINAPI WINSOCK_select16(INT16 nfds, ws_fd_set16 *ws_readfds,
1139                               ws_fd_set16 *ws_writefds, ws_fd_set16 *ws_exceptfds,
1140                               struct timeval *timeout)
1141 {
1142     return (INT16)__ws_select( FALSE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1143 }
1144
1145 INT32 WINAPI WINSOCK_select32(INT32 nfds, ws_fd_set32 *ws_readfds,
1146                               ws_fd_set32 *ws_writefds, ws_fd_set32 *ws_exceptfds,
1147                               struct timeval *timeout)
1148 {
1149     /* struct timeval is the same for both 32- and 16-bit code */
1150     return (INT32)__ws_select( TRUE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1151 }
1152
1153
1154 /***********************************************************************
1155  *              send()                  (WSOCK32.19)
1156  */
1157 INT32 WINAPI WINSOCK_send32(SOCKET32 s, char *buf, INT32 len, INT32 flags)
1158 {
1159     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
1160     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1161
1162     TRACE(winsock, "(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1163                            (unsigned)pwsi, s, (unsigned) buf, len, flags);
1164     if( _check_ws(pwsi, pws) )
1165     {
1166         int     length;
1167
1168         if ((length = send(pws->fd, buf, len, flags)) < 0 )
1169         {
1170             pwsi->err = wsaErrno();
1171             if( pwsi->err == WSAEWOULDBLOCK &&
1172                 pws->psop && pws->flags & WS_FD_WRITE )
1173                 EVENT_AddIO( pws->fd, EVENT_IO_WRITE ); /* reenabler */
1174         }
1175         else return (INT16)length;
1176     }
1177     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1178     return SOCKET_ERROR;
1179 }
1180
1181 /***********************************************************************
1182  *              send()                  (WINSOCK.19)
1183  */
1184 INT16 WINAPI WINSOCK_send16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1185 {
1186     return WINSOCK_send32( s, buf, len, flags );
1187 }
1188
1189 /***********************************************************************
1190  *              sendto()                (WSOCK32.20)
1191  */
1192 INT32 WINAPI WINSOCK_sendto32(SOCKET32 s, char *buf, INT32 len, INT32 flags,
1193                               struct sockaddr *to, INT32 tolen)
1194 {
1195     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
1196     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1197
1198     TRACE(winsock, "(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1199                           (unsigned)pwsi, s, (unsigned) buf, len, flags);
1200     if( _check_ws(pwsi, pws) )
1201     {
1202         INT32   length;
1203
1204         if ((length = sendto(pws->fd, buf, len, flags, to, tolen)) < 0 )
1205         {
1206             pwsi->err = wsaErrno();
1207             if( pwsi->err == WSAEWOULDBLOCK &&
1208                 pws->psop && pws->flags & WS_FD_WRITE )
1209                 EVENT_AddIO( pws->fd, EVENT_IO_WRITE ); /* reenabler */
1210         }
1211         else return length;
1212     }
1213     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1214     return SOCKET_ERROR;
1215 }
1216
1217 /***********************************************************************
1218  *              sendto()                (WINSOCK.20)
1219  */
1220 INT16 WINAPI WINSOCK_sendto16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1221                               struct sockaddr *to, INT16 tolen)
1222 {
1223     return (INT16)WINSOCK_sendto32( s, buf, len, flags, to, tolen );
1224 }
1225
1226 /***********************************************************************
1227  *              setsockopt()            (WSOCK32.21)
1228  */
1229 INT32 WINAPI WINSOCK_setsockopt32(SOCKET16 s, INT32 level, INT32 optname,
1230                                   char *optval, INT32 optlen)
1231 {
1232     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
1233     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1234
1235     TRACE(winsock, "(%08x): socket %04x, lev %d, opt %d, ptr %08x, len %d\n",
1236                           (unsigned)pwsi, s, level, optname, (int) optval, optlen);
1237     if( _check_ws(pwsi, pws) )
1238     {
1239         struct  linger linger;
1240
1241         convert_sockopt(&level, &optname);
1242         if (optname == SO_LINGER) {
1243                 /* yes, uses unsigned short in both win16/win32 */
1244                 linger.l_onoff  = ((UINT16*)optval)[0];
1245                 linger.l_linger = ((UINT16*)optval)[1];
1246                 optval = (char*)&linger;
1247                 optlen = sizeof(struct linger);
1248         }
1249         if (setsockopt(pws->fd, level, optname, optval, optlen) == 0) return 0;
1250         pwsi->err = wsaErrno();
1251     }
1252     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1253     return SOCKET_ERROR;
1254 }
1255
1256 /***********************************************************************
1257  *              setsockopt()            (WINSOCK.21)
1258  */
1259 INT16 WINAPI WINSOCK_setsockopt16(SOCKET16 s, INT16 level, INT16 optname,
1260                                   char *optval, INT16 optlen)
1261 {
1262     if( !optval ) return SOCKET_ERROR;
1263     return (INT16)WINSOCK_setsockopt32( s, (UINT16)level, optname, optval, optlen );
1264 }
1265
1266
1267 /***********************************************************************
1268  *              shutdown()              (WSOCK32.22)
1269  */
1270 INT32 WINAPI WINSOCK_shutdown32(SOCKET32 s, INT32 how)
1271 {
1272     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
1273     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1274
1275     TRACE(winsock, "(%08x): socket %04x, how %i\n",
1276                             (unsigned)pwsi, s, how );
1277     if( _check_ws(pwsi, pws) )
1278     {
1279         if( pws->psop )
1280             switch( how )
1281             {
1282                 case 0: /* drop receives */
1283                         if( pws->flags & (WS_FD_READ | WS_FD_CLOSE) )
1284                             EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
1285                         pws->flags &= ~(WS_FD_READ | WS_FD_CLOSE);
1286 #ifdef SHUT_RD
1287                         how = SHUT_RD;
1288 #endif
1289                         break;
1290
1291                 case 1: /* drop sends */
1292                         if( pws->flags & WS_FD_WRITE )
1293                             EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
1294                         pws->flags &= ~WS_FD_WRITE;
1295 #ifdef SHUT_WR
1296                         how = SHUT_WR;
1297 #endif
1298                         break;
1299
1300                 case 2: /* drop all */
1301 #ifdef SHUT_RDWR
1302                         how = SHUT_RDWR;
1303 #endif
1304                 default:
1305                         WSAAsyncSelect32( s, 0, 0, 0 );
1306                         break;
1307             }
1308
1309         if (shutdown(pws->fd, how) == 0)
1310         {
1311             if( how > 1 )
1312             {
1313                 pws->flags &= ~(WS_FD_CONNECTED | WS_FD_LISTENING);
1314                 pws->flags |= WS_FD_INACTIVE;
1315             }
1316             return 0;
1317         }
1318         pwsi->err = wsaErrno();
1319     }
1320     else if( pwsi ) pwsi->err = WSAENOTSOCK;
1321     return SOCKET_ERROR;
1322 }
1323
1324 /***********************************************************************
1325  *              shutdown()              (WINSOCK.22)
1326  */
1327 INT16 WINAPI WINSOCK_shutdown16(SOCKET16 s, INT16 how)
1328 {
1329     return (INT16)WINSOCK_shutdown32( s, how );
1330 }
1331
1332
1333 /***********************************************************************
1334  *              socket()                (WSOCK32.23)
1335  */
1336 SOCKET32 WINAPI WINSOCK_socket32(INT32 af, INT32 type, INT32 protocol)
1337 {
1338   LPWSINFO      pwsi = wsi_find(GetCurrentTask());
1339
1340   TRACE(winsock, "(%08x): af=%d type=%d protocol=%d\n",
1341                           (unsigned)pwsi, af, type, protocol);
1342
1343   if( pwsi )
1344   {
1345     int         sock;
1346
1347     /* check the socket family */
1348     switch(af)
1349     {
1350         case AF_INET:
1351         case AF_UNSPEC: break;
1352         default:        pwsi->err = WSAEAFNOSUPPORT;
1353                         return INVALID_SOCKET32;
1354     }
1355
1356     /* check the socket type */
1357     switch(type)
1358     {
1359         case SOCK_STREAM:
1360         case SOCK_DGRAM:
1361         case SOCK_RAW:  break;
1362         default:        pwsi->err = WSAESOCKTNOSUPPORT;
1363                         return INVALID_SOCKET32;
1364     }
1365
1366     /* check the protocol type */
1367     if ( protocol < 0 )  /* don't support negative values */
1368     { pwsi->err = WSAEPROTONOSUPPORT; return INVALID_SOCKET32; }
1369
1370     if ( af == AF_UNSPEC)  /* did they not specify the address family? */
1371         switch(protocol)
1372         {
1373           case IPPROTO_TCP:
1374              if (type == SOCK_STREAM) { af = AF_INET; break; }
1375           case IPPROTO_UDP:
1376              if (type == SOCK_DGRAM)  { af = AF_INET; break; }
1377           default: pwsi->err = WSAEPROTOTYPE; return INVALID_SOCKET32;
1378         }
1379
1380     if ((sock = socket(af, type, protocol)) >= 0)
1381     {
1382         ws_socket*      pnew = wsi_alloc_socket(pwsi, sock);
1383
1384         TRACE(winsock,"\tcreated %i (handle %04x)\n", sock, (UINT16)WS_PTR2HANDLE(pnew));
1385
1386         if( pnew )
1387         {
1388             pnew->flags |= WS_FD_INACTIVE;
1389             return (SOCKET16)WS_PTR2HANDLE(pnew);
1390         }
1391
1392         close(sock);
1393         pwsi->err = WSAENOBUFS;
1394         return INVALID_SOCKET32;
1395     }
1396
1397     if (errno == EPERM) /* raw socket denied */
1398     {
1399         WARN(winsock, "WS_SOCKET: not enough privileges\n");
1400         pwsi->err = WSAESOCKTNOSUPPORT;
1401     } else pwsi->err = wsaErrno();
1402   }
1403
1404   WARN(winsock, "\t\tfailed!\n");
1405   return INVALID_SOCKET32;
1406 }
1407
1408 /***********************************************************************
1409  *              socket()                (WINSOCK.23)
1410  */
1411 SOCKET16 WINAPI WINSOCK_socket16(INT16 af, INT16 type, INT16 protocol)
1412 {
1413     return (SOCKET16)WINSOCK_socket32( af, type, protocol );
1414 }
1415
1416
1417 /* ----------------------------------- DNS services
1418  *
1419  * IMPORTANT: 16-bit API structures have SEGPTR pointers inside them.
1420  * Also, we have to use wsock32 stubs to convert structures and
1421  * error codes from Unix to WSA, hence there is no direct mapping in
1422  * the relay32/wsock32.spec.
1423  */
1424
1425 static char*    NULL_STRING = "NULL";
1426
1427 /***********************************************************************
1428  *              gethostbyaddr()         (WINSOCK.51)(WSOCK32.51)
1429  */
1430 static struct WIN_hostent* __ws_gethostbyaddr(const char *addr, int len, int type, int dup_flag)
1431 {
1432     LPWSINFO            pwsi = wsi_find(GetCurrentTask());
1433
1434     if( pwsi )
1435     {
1436         struct hostent* host;
1437         if( (host = gethostbyaddr(addr, len, type)) != NULL )
1438             if( WS_dup_he(pwsi, host, dup_flag) )
1439                 return (struct WIN_hostent*)(pwsi->buffer);
1440             else
1441                 pwsi->err = WSAENOBUFS;
1442         else
1443             pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1444     }
1445     return NULL;
1446 }
1447
1448 SEGPTR WINAPI WINSOCK_gethostbyaddr16(const char *addr, INT16 len, INT16 type)
1449 {
1450     struct WIN_hostent* retval;
1451     TRACE(winsock, "ptr %08x, len %d, type %d\n",
1452                             (unsigned) addr, len, type);
1453     retval = __ws_gethostbyaddr( addr, len, type, WS_DUP_SEGPTR );
1454     return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1455 }
1456
1457 struct WIN_hostent* WINAPI WINSOCK_gethostbyaddr32(const char *addr, INT32 len,
1458                                                 INT32 type)
1459 {
1460     TRACE(winsock, "ptr %08x, len %d, type %d\n",
1461                              (unsigned) addr, len, type);
1462     return __ws_gethostbyaddr(addr, len, type, WS_DUP_LINEAR);
1463 }
1464
1465 /***********************************************************************
1466  *              gethostbyname()         (WINSOCK.52)(WSOCK32.52)
1467  */
1468 static struct WIN_hostent * __ws_gethostbyname(const char *name, int dup_flag)
1469 {
1470     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1471
1472     if( pwsi )
1473     {
1474         struct hostent*     host;
1475         if( (host = gethostbyname(name)) != NULL )
1476              if( WS_dup_he(pwsi, host, dup_flag) )
1477                  return (struct WIN_hostent*)(pwsi->buffer);
1478              else pwsi->err = WSAENOBUFS;
1479         else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1480     }
1481     return NULL;
1482 }
1483
1484 SEGPTR WINAPI WINSOCK_gethostbyname16(const char *name)
1485 {
1486     struct WIN_hostent* retval;
1487     TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1488     retval = __ws_gethostbyname( name, WS_DUP_SEGPTR );
1489     return (retval)? SEGPTR_GET(retval) : ((SEGPTR)NULL) ;
1490 }
1491
1492 struct WIN_hostent* WINAPI WINSOCK_gethostbyname32(const char* name)
1493 {
1494     TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1495     return __ws_gethostbyname( name, WS_DUP_LINEAR );
1496 }
1497
1498
1499 /***********************************************************************
1500  *              getprotobyname()        (WINSOCK.53)(WSOCK32.53)
1501  */
1502 static struct WIN_protoent* __ws_getprotobyname(const char *name, int dup_flag)
1503 {
1504     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1505
1506     if( pwsi )
1507     {
1508         struct protoent*     proto;
1509         if( (proto = getprotobyname(name)) != NULL )
1510             if( WS_dup_pe(pwsi, proto, dup_flag) )
1511                 return (struct WIN_protoent*)(pwsi->buffer);
1512             else pwsi->err = WSAENOBUFS;
1513         else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1514     }
1515     return NULL;
1516 }
1517
1518 SEGPTR WINAPI WINSOCK_getprotobyname16(const char *name)
1519 {
1520     struct WIN_protoent* retval;
1521     TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1522     retval = __ws_getprotobyname(name, WS_DUP_SEGPTR);
1523     return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1524 }
1525
1526 struct WIN_protoent* WINAPI WINSOCK_getprotobyname32(const char* name)
1527 {
1528     TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1529     return __ws_getprotobyname(name, WS_DUP_LINEAR);
1530 }
1531
1532
1533 /***********************************************************************
1534  *              getprotobynumber()      (WINSOCK.54)(WSOCK32.54)
1535  */
1536 static struct WIN_protoent* __ws_getprotobynumber(int number, int dup_flag)
1537 {
1538     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1539
1540     if( pwsi )
1541     {
1542         struct protoent*     proto;
1543         if( (proto = getprotobynumber(number)) != NULL )
1544             if( WS_dup_pe(pwsi, proto, dup_flag) )
1545                 return (struct WIN_protoent*)(pwsi->buffer);
1546             else pwsi->err = WSAENOBUFS;
1547         else pwsi->err = WSANO_DATA;
1548     }
1549     return NULL;
1550 }
1551
1552 SEGPTR WINAPI WINSOCK_getprotobynumber16(INT16 number)
1553 {
1554     struct WIN_protoent* retval;
1555     TRACE(winsock, "%i\n", number);
1556     retval = __ws_getprotobynumber(number, WS_DUP_SEGPTR);
1557     return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1558 }
1559
1560 struct WIN_protoent* WINAPI WINSOCK_getprotobynumber32(INT32 number)
1561 {
1562     TRACE(winsock, "%i\n", number);
1563     return __ws_getprotobynumber(number, WS_DUP_LINEAR);
1564 }
1565
1566
1567 /***********************************************************************
1568  *              getservbyname()         (WINSOCK.55)(WSOCK32.55)
1569  */
1570 struct WIN_servent* __ws_getservbyname(const char *name, const char *proto, int dup_flag)
1571 {
1572     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1573
1574     if( pwsi )
1575     {
1576         struct servent*     serv;
1577         int i = wsi_strtolo( pwsi, name, proto );
1578
1579         if( i )
1580             if( (serv = getservbyname(pwsi->buffer, pwsi->buffer + i)) != NULL )
1581                 if( WS_dup_se(pwsi, serv, dup_flag) )
1582                     return (struct WIN_servent*)(pwsi->buffer);
1583                 else pwsi->err = WSAENOBUFS;
1584             else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1585         else pwsi->err = WSAENOBUFS;
1586     }
1587     return NULL;
1588 }
1589
1590 SEGPTR WINAPI WINSOCK_getservbyname16(const char *name, const char *proto)
1591 {
1592     struct WIN_servent* retval;
1593     TRACE(winsock, "'%s', '%s'\n",
1594                             (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
1595     retval = __ws_getservbyname(name, proto, WS_DUP_SEGPTR);
1596     return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1597 }
1598
1599 struct WIN_servent* WINAPI WINSOCK_getservbyname32(const char *name, const char *proto)
1600 {
1601     TRACE(winsock, "'%s', '%s'\n",
1602                             (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
1603     return __ws_getservbyname(name, proto, WS_DUP_LINEAR);
1604 }
1605
1606
1607 /***********************************************************************
1608  *              getservbyport()         (WINSOCK.56)(WSOCK32.56)
1609  */
1610 static struct WIN_servent* __ws_getservbyport(int port, const char* proto, int dup_flag)
1611 {
1612     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1613
1614     if( pwsi )
1615     {
1616         struct servent*     serv;
1617         int i = wsi_strtolo( pwsi, proto, NULL );
1618
1619         if( i )
1620             if( (serv = getservbyport(port, pwsi->buffer)) != NULL )
1621                 if( WS_dup_se(pwsi, serv, dup_flag) )
1622                     return (struct WIN_servent*)(pwsi->buffer);
1623                 else pwsi->err = WSAENOBUFS;
1624             else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1625         else pwsi->err = WSAENOBUFS;
1626     }
1627     return NULL;
1628 }
1629
1630 SEGPTR WINAPI WINSOCK_getservbyport16(INT16 port, const char *proto)
1631 {
1632     struct WIN_servent* retval;
1633     TRACE(winsock, "%i, '%s'\n",
1634                             (int)port, (proto)?proto:NULL_STRING);
1635     retval = __ws_getservbyport(port, proto, WS_DUP_SEGPTR);
1636     return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1637 }
1638
1639 struct WIN_servent* WINAPI WINSOCK_getservbyport32(INT32 port, const char *proto)
1640 {
1641     TRACE(winsock, "%i, '%s'\n",
1642                             (int)port, (proto)?proto:NULL_STRING);
1643     return __ws_getservbyport(port, proto, WS_DUP_LINEAR);
1644 }
1645
1646
1647 /***********************************************************************
1648  *              gethostname()           (WSOCK32.57)
1649  */
1650 INT32 WINAPI WINSOCK_gethostname32(char *name, INT32 namelen)
1651 {
1652     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1653
1654     TRACE(winsock, "(%08x): name %s, len %d\n",
1655                           (unsigned)pwsi, (name)?name:NULL_STRING, namelen);
1656     if( pwsi )
1657     {
1658         if (gethostname(name, namelen) == 0) return 0;
1659         pwsi->err = (errno == EINVAL) ? WSAEFAULT : wsaErrno();
1660     }
1661     return SOCKET_ERROR;
1662 }
1663
1664 /***********************************************************************
1665  *              gethostname()           (WINSOCK.57)
1666  */
1667 INT16 WINAPI WINSOCK_gethostname16(char *name, INT16 namelen)
1668 {
1669     return (INT16)WINSOCK_gethostname32(name, namelen);
1670 }
1671
1672
1673 /* ------------------------------------- Windows sockets extensions -- *
1674  *                                                                     *
1675  * ------------------------------------------------------------------- */
1676
1677
1678 /***********************************************************************
1679  *          Asynchronous DNS services
1680  */
1681
1682 /* winsock_dns.c */
1683 extern HANDLE16 __WSAsyncDBQuery(LPWSINFO pwsi, HWND32 hWnd, UINT32 uMsg, INT32 type, LPCSTR init,
1684                                  INT32 len, LPCSTR proto, void* sbuf, INT32 buflen, UINT32 flag);
1685
1686 /***********************************************************************
1687  *       WSAAsyncGetHostByAddr()        (WINSOCK.102)
1688  */
1689 HANDLE16 WINAPI WSAAsyncGetHostByAddr16(HWND16 hWnd, UINT16 uMsg, LPCSTR addr,
1690                                INT16 len, INT16 type, SEGPTR sbuf, INT16 buflen)
1691 {
1692   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1693
1694   TRACE(winsock, "(%08x): hwnd %04x, msg %04x, addr %08x[%i]\n",
1695                (unsigned)pwsi, hWnd, uMsg, (unsigned)addr , len );
1696
1697   if( pwsi )
1698     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, type, addr, len,
1699                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYADDR );
1700   return 0;
1701 }
1702
1703 /***********************************************************************
1704  *       WSAAsyncGetHostByAddr()        (WSOCK32.102)
1705  */
1706 HANDLE32 WINAPI WSAAsyncGetHostByAddr32(HWND32 hWnd, UINT32 uMsg, LPCSTR addr,
1707                                INT32 len, INT32 type, LPSTR sbuf, INT32 buflen)
1708 {
1709   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1710
1711   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, addr %08x[%i]\n",
1712                (unsigned)pwsi, (HWND16)hWnd, uMsg, (unsigned)addr , len );
1713
1714   if( pwsi )
1715     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, type, addr, len,
1716                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYADDR | WSMSG_WIN32_AOP);
1717   return 0;
1718 }
1719
1720
1721 /***********************************************************************
1722  *       WSAAsyncGetHostByName()        (WINSOCK.103)
1723  */
1724 HANDLE16 WINAPI WSAAsyncGetHostByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
1725                                       SEGPTR sbuf, INT16 buflen)
1726 {
1727   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1728
1729   TRACE(winsock, "(%08x): hwnd %04x, msg %04x, host %s,
1730 buffer %i\n", (unsigned)pwsi, hWnd, uMsg, (name)?name:NULL_STRING, (int)buflen );
1731
1732   if( pwsi )
1733     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1734                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYNAME );
1735   return 0;
1736 }
1737
1738 /***********************************************************************
1739  *       WSAAsyncGetHostByName32()      (WSOCK32.103)
1740  */
1741 HANDLE32 WINAPI WSAAsyncGetHostByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
1742                                         LPSTR sbuf, INT32 buflen)
1743 {
1744   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1745   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, host %s, buffer %i\n",
1746                (unsigned)pwsi, (HWND16)hWnd, uMsg,
1747                (name)?name:NULL_STRING, (int)buflen );
1748   if( pwsi )
1749     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1750                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYNAME | WSMSG_WIN32_AOP);
1751   return 0;
1752 }
1753
1754
1755 /***********************************************************************
1756  *       WSAAsyncGetProtoByName()       (WINSOCK.105)
1757  */
1758 HANDLE16 WINAPI WSAAsyncGetProtoByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
1759                                          SEGPTR sbuf, INT16 buflen)
1760 {
1761   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1762
1763   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, protocol %s\n",
1764                (unsigned)pwsi, (HWND16)hWnd, uMsg, (name)?name:NULL_STRING );
1765
1766   if( pwsi )
1767     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1768                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNAME );
1769   return 0;
1770 }
1771
1772 /***********************************************************************
1773  *       WSAAsyncGetProtoByName()       (WSOCK32.105)
1774  */
1775 HANDLE32 WINAPI WSAAsyncGetProtoByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
1776                                          LPSTR sbuf, INT32 buflen)
1777 {
1778   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1779
1780   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, protocol %s\n",
1781                (unsigned)pwsi, (HWND16)hWnd, uMsg, (name)?name:NULL_STRING );
1782
1783   if( pwsi )
1784     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1785                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNAME | WSMSG_WIN32_AOP);
1786   return 0;
1787 }
1788
1789
1790 /***********************************************************************
1791  *       WSAAsyncGetProtoByNumber()     (WINSOCK.104)
1792  */
1793 HANDLE16 WINAPI WSAAsyncGetProtoByNumber16(HWND16 hWnd, UINT16 uMsg, INT16 number,
1794                                            SEGPTR sbuf, INT16 buflen)
1795 {
1796   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1797
1798   TRACE(winsock, "(%08x): hwnd %04x, msg %04x, num %i\n",
1799                (unsigned)pwsi, hWnd, uMsg, number );
1800
1801   if( pwsi )
1802     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, number, NULL, 0,
1803                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNUM );
1804   return 0;
1805 }
1806
1807 /***********************************************************************
1808  *       WSAAsyncGetProtoByNumber()     (WSOCK32.104)
1809  */
1810 HANDLE32 WINAPI WSAAsyncGetProtoByNumber32(HWND32 hWnd, UINT32 uMsg, INT32 number,
1811                                            LPSTR sbuf, INT32 buflen)
1812 {
1813   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1814
1815   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, num %i\n",
1816                (unsigned)pwsi, (HWND16)hWnd, uMsg, number );
1817
1818   if( pwsi )
1819     return __WSAsyncDBQuery(pwsi, hWnd, uMsg, number, NULL, 0,
1820                             NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNUM | WSMSG_WIN32_AOP);
1821   return 0;
1822 }
1823
1824
1825 /***********************************************************************
1826  *       WSAAsyncGetServByName()        (WINSOCK.107)
1827  */
1828 HANDLE16 WINAPI WSAAsyncGetServByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
1829                                         LPCSTR proto, SEGPTR sbuf, INT16 buflen)
1830 {
1831   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1832
1833   TRACE(winsock, "(%08x): hwnd %04x, msg %04x, name %s, proto %s\n",
1834                (unsigned)pwsi, hWnd, uMsg,
1835                (name)?name:NULL_STRING, (proto)?proto:NULL_STRING );
1836
1837   if( pwsi )
1838   {
1839       int i = wsi_strtolo( pwsi, name, proto );
1840
1841       if( i )
1842           return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, pwsi->buffer, 0,
1843                     pwsi->buffer + i, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYNAME );
1844   }
1845   return 0;
1846 }
1847
1848 /***********************************************************************
1849  *       WSAAsyncGetServByName()        (WSOCK32.107)
1850  */
1851 HANDLE32 WINAPI WSAAsyncGetServByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
1852                                         LPCSTR proto, LPSTR sbuf, INT32 buflen)
1853 {
1854   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1855
1856   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, name %s, proto %s\n",
1857                (unsigned)pwsi, (HWND16)hWnd, uMsg,
1858                (name)?name:NULL_STRING, (proto)?proto:NULL_STRING );
1859   if( pwsi )
1860   {
1861       int i = wsi_strtolo( pwsi, name, proto );
1862
1863       if( i )
1864           return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, pwsi->buffer, 0,
1865                  pwsi->buffer + i, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYNAME | WSMSG_WIN32_AOP);
1866   }
1867   return 0;
1868 }
1869
1870
1871 /***********************************************************************
1872  *       WSAAsyncGetServByPort()        (WINSOCK.106)
1873  */
1874 HANDLE16 WINAPI WSAAsyncGetServByPort16(HWND16 hWnd, UINT16 uMsg, INT16 port,
1875                                         LPCSTR proto, SEGPTR sbuf, INT16 buflen)
1876 {
1877   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1878
1879   TRACE(winsock, "(%08x): hwnd %04x, msg %04x, port %i, proto %s\n",
1880                (unsigned)pwsi, hWnd, uMsg, port, (proto)?proto:NULL_STRING );
1881
1882   if( pwsi )
1883   {
1884       int i = wsi_strtolo( pwsi, proto, NULL );
1885
1886       if( i )
1887           return __WSAsyncDBQuery(pwsi, hWnd, uMsg, port, pwsi->buffer, 0,
1888                 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYPORT );
1889   }
1890   return 0;
1891 }
1892
1893 /***********************************************************************
1894  *       WSAAsyncGetServByPort()        (WSOCK32.106)
1895  */
1896 HANDLE32 WINAPI WSAAsyncGetServByPort32(HWND32 hWnd, UINT32 uMsg, INT32 port,
1897                                         LPCSTR proto, LPSTR sbuf, INT32 buflen)
1898 {
1899   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
1900
1901   TRACE(winsock, "(%08x): hwnd %04x, msg %08x, port %i, proto %s\n",
1902                (unsigned)pwsi, (HWND16)hWnd, uMsg, port, (proto)?proto:NULL_STRING );
1903
1904   if( pwsi )
1905   {
1906       int i = wsi_strtolo( pwsi, proto, NULL );
1907
1908       if( i )
1909           return __WSAsyncDBQuery(pwsi, hWnd, uMsg, port, pwsi->buffer, 0,
1910                  NULL, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYPORT | WSMSG_WIN32_AOP);
1911   }
1912   return 0;
1913 }
1914
1915
1916 /***********************************************************************
1917  *       WSACancelAsyncRequest()        (WINSOCK.108)(WSOCK32.109)
1918  */
1919 INT32 WINAPI WSACancelAsyncRequest32(HANDLE32 hAsyncTaskHandle)
1920 {
1921     INT32               retVal = SOCKET_ERROR;
1922     LPWSINFO            pwsi = wsi_find(GetCurrentTask());
1923     ws_async_op*        p_aop = (ws_async_op*)WS_HANDLE2PTR(hAsyncTaskHandle);
1924
1925     TRACE(winsock, "(%08x): handle %08x\n",
1926                            (unsigned)pwsi, hAsyncTaskHandle);
1927     if( pwsi )
1928     {
1929         SIGNAL_MaskAsyncEvents( TRUE ); /* block SIGIO */
1930         if( WINSOCK_cancel_async_op(p_aop) )
1931         {
1932             WS_FREE(p_aop);
1933             pwsi->num_async_rq--;
1934             retVal = 0;
1935         }
1936         else pwsi->err = WSAEINVAL;
1937         SIGNAL_MaskAsyncEvents( FALSE );
1938     }
1939     return retVal;
1940 }
1941
1942 INT16 WINAPI WSACancelAsyncRequest16(HANDLE16 hAsyncTaskHandle)
1943 {
1944     return (HANDLE16)WSACancelAsyncRequest16((HANDLE32)hAsyncTaskHandle);
1945 }
1946
1947 /***********************************************************************
1948  *      WSAAsyncSelect()                (WINSOCK.101)(WSOCK32.101)
1949  */
1950
1951 static ws_select_op* __ws_select_list = NULL;
1952
1953 BOOL32 WINSOCK_HandleIO( int* max_fd, int num_pending,
1954                          fd_set pending_set[3], fd_set event_set[3] )
1955 {
1956     /* This function is called by the event dispatcher
1957      * with the pending_set[] containing the result of select() and
1958      * the event_set[] containing all fd that are being watched */
1959
1960     ws_select_op*       psop = __ws_select_list;
1961     BOOL32              bPost = FALSE;
1962     DWORD               dwEvent, dwErrBytes;
1963     int                 num_posted;
1964
1965     TRACE(winsock,"%i pending descriptors\n", num_pending );
1966
1967     for( num_posted = dwEvent = 0 ; psop; psop = psop->next )
1968     {
1969         unsigned        flags = psop->pws->flags;
1970         int             fd = psop->pws->fd;
1971         int             r, w, e;
1972
1973         w = 0;
1974         if( (r = FD_ISSET( fd, &pending_set[EVENT_IO_READ] )) ||
1975             (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] )) ||
1976             (e = FD_ISSET( fd, &pending_set[EVENT_IO_EXCEPT] )) )
1977         {
1978             /* This code removes WS_FD flags on one-shot events (WS_FD_CLOSE,
1979              * WS_FD_CONNECT), otherwise it clears descriptors in the io_set.
1980              * Reenabling calls turn them back on.
1981              */
1982
1983             TRACE(winsock,"\tchecking psop = 0x%08x\n", (unsigned) psop );
1984
1985             num_pending--;
1986
1987             /* Now figure out what kind of event we've got. The worst problem
1988              * we have to contend with is that some out of control applications
1989              * really want to use mutually exclusive AsyncSelect() flags all at
1990              * the same time.
1991              */
1992
1993             if((flags & WS_FD_ACCEPT) && (flags & WS_FD_LISTENING))
1994             {
1995                 /* WS_FD_ACCEPT is valid only if the socket is in the
1996                  * listening state */
1997
1998                 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
1999                 if( r )
2000                 {
2001                     FD_CLR( fd, &event_set[EVENT_IO_READ] ); /* reenabled by the next accept() */
2002                     dwEvent = WSAMAKESELECTREPLY( WS_FD_ACCEPT, 0 );
2003                     bPost = TRUE;
2004                 }
2005                 else continue;
2006             }
2007             else if( flags & WS_FD_CONNECT )
2008             {
2009                 /* connecting socket */
2010
2011                 if( w || (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] )) )
2012                 {
2013                     /* ready to write means that socket is connected
2014                      *
2015                      * FIXME: Netscape calls AsyncSelect( s, ... WS_FD_CONNECT .. )
2016                      * right after s = socket() and somehow "s" becomes writeable
2017                      * before it goes through connect()!?!?
2018                      */
2019
2020                     psop->pws->flags |= WS_FD_CONNECTED;
2021                     psop->pws->flags &= ~(WS_FD_CONNECT | WS_FD_INACTIVE);
2022                     dwEvent = WSAMAKESELECTREPLY( WS_FD_CONNECT, 0 );
2023
2024                     if( flags & (WS_FD_READ | WS_FD_CLOSE))
2025                         FD_SET( fd, &event_set[EVENT_IO_READ] );
2026                     else
2027                         FD_CLR( fd, &event_set[EVENT_IO_READ] );
2028                     if( flags & WS_FD_WRITE )
2029                         FD_SET( fd, &event_set[EVENT_IO_WRITE] );
2030                     else
2031                         FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2032                     bPost = TRUE;
2033                 }
2034                 else if( r )
2035                 {
2036                     /* failure - do read() to get correct errno */
2037
2038                     if( read( fd, &dwErrBytes, sizeof(dwErrBytes) ) == -1 )
2039                     {
2040                         dwEvent = WSAMAKESELECTREPLY( WS_FD_CONNECT, wsaErrno() );
2041                         bPost = TRUE;
2042                     }
2043                 }
2044                 /* otherwise bPost stays FALSE, should probably clear event_set  */
2045             }
2046             else
2047             {
2048                 /* connected socket, no WS_FD_OOB code for now. */
2049
2050                 if( flags & WS_FD_WRITE &&
2051                    (w || (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] ))) )
2052                 {
2053                     /* this will be reenabled when send() or sendto() fail with
2054                      * WSAEWOULDBLOCK */
2055
2056                     if( PostMessage32A( psop->hWnd, psop->uMsg, (WPARAM32)WS_PTR2HANDLE(psop->pws),
2057                                       (LPARAM)WSAMAKESELECTREPLY( WS_FD_WRITE, 0 ) ) )
2058                     {
2059                         TRACE(winsock, "\t    hwnd %04x - %04x, %08x\n",
2060                                 psop->hWnd, psop->uMsg, (unsigned)MAKELONG(WS_FD_WRITE, 0) );
2061                         FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2062                         num_posted++;
2063                     }
2064                 }
2065
2066                 if( r && (flags & (WS_FD_READ | WS_FD_CLOSE)) )
2067                 {
2068                     int val = (flags & WS_FD_RAW);
2069
2070                      /* WS_FD_RAW is set by the WSAAsyncSelect() init */
2071
2072                     bPost = TRUE;
2073                     if( !val && ioctl( fd, FIONREAD, (char*)&dwErrBytes) == -1 )
2074                     {
2075                         /* weirdness */
2076
2077                         dwEvent = WSAMAKESELECTREPLY( WS_FD_READ, wsaErrno() );
2078                     }
2079                     else if( val || dwErrBytes )
2080                     {
2081                         /* got pending data, will be reenabled by recv() or recvfrom() */
2082
2083                         FD_CLR( fd, &event_set[EVENT_IO_READ] );
2084                         dwEvent = WSAMAKESELECTREPLY( WS_FD_READ, 0 );
2085                     }
2086                     else
2087                     {
2088                         /* 0 bytes to read - connection reset by peer? */
2089
2090                         do
2091                             val = read( fd, (char*)&dwErrBytes, sizeof(dwErrBytes));
2092                         while( errno == EINTR );
2093                         if( errno != EWOULDBLOCK )
2094                         {
2095                             switch( val )
2096                             {
2097                                 case  0: errno = ENETDOWN;      /* soft reset, fall through */
2098                                 case -1:                        /* hard reset */
2099                                          dwEvent = WSAMAKESELECTREPLY( WS_FD_CLOSE, wsaErrno() );
2100                                          break;
2101
2102                                 default: bPost = FALSE;
2103                                          continue;              /* FIXME: this is real bad */
2104                             }
2105                         }
2106                         else { bPost = FALSE; continue; }       /* more weirdness */
2107
2108                         /* this is it, this socket is closed */
2109
2110                         psop->pws->flags &= ~(WS_FD_READ | WS_FD_CLOSE | WS_FD_WRITE);
2111                         FD_CLR( fd, &event_set[EVENT_IO_READ] );
2112                         FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2113
2114                         if( *max_fd == (fd + 1) ) (*max_fd)--;
2115                     }
2116                 }
2117             }
2118
2119             if( bPost )
2120             {
2121                 TRACE(winsock, "\t    hwnd %04x - %04x, %08x\n",
2122                                 psop->hWnd, psop->uMsg, (unsigned)dwEvent );
2123                 PostMessage32A( psop->hWnd, psop->uMsg,
2124                               (WPARAM32)WS_PTR2HANDLE(psop->pws), (LPARAM)dwEvent );
2125                 bPost = FALSE;
2126                 num_posted++;
2127             }
2128         }
2129         if( num_pending <= 0 ) break;
2130     }
2131
2132     TRACE(winsock, "\tdone, %i posted events\n", num_posted );
2133     return ( num_posted ) ? TRUE : FALSE;
2134 }
2135
2136 INT32 WINAPI WSAAsyncSelect32(SOCKET32 s, HWND32 hWnd, UINT32 uMsg, UINT32 lEvent)
2137 {
2138     ws_socket*    pws  = (ws_socket*)WS_HANDLE2PTR(s);
2139     LPWSINFO      pwsi = wsi_find(GetCurrentTask());
2140
2141     TRACE(winsock, "(%08x): %04x, hWnd %04x, uMsg %08x, event %08x\n",
2142                           (unsigned)pwsi, (SOCKET16)s, (HWND16)hWnd, uMsg, (unsigned)lEvent );
2143     if( _check_ws(pwsi, pws) )
2144     {
2145         ws_select_op* psop;
2146
2147         if( (psop = pws->psop) )
2148         {
2149             /* delete previous control struct */
2150
2151             if( psop == __ws_select_list )
2152                 __ws_select_list = psop->next;
2153             else
2154                 psop->prev->next = psop->next;
2155             if( psop->next ) psop->next->prev = psop->prev;
2156
2157             if( pws->flags & (WS_FD_ACCEPT | WS_FD_CONNECT | WS_FD_READ | WS_FD_CLOSE) )
2158                 EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
2159             if( pws->flags & (WS_FD_CONNECT | WS_FD_WRITE) )
2160                 EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
2161
2162             TRACE(winsock,"\tremoving psop = 0x%08x\n", (unsigned) psop );
2163
2164             WS_FREE( pws->psop );
2165             pws->flags &= ~(WS_FD_RAW | WS_FD_ACCEPT | WS_FD_CONNECT |
2166                             WS_FD_READ | WS_FD_WRITE | WS_FD_CLOSE);
2167             pws->psop = NULL;
2168         }
2169
2170         if( lEvent )
2171         {
2172             psop = (ws_select_op*)WS_ALLOC(sizeof(ws_select_op));
2173             if( psop )
2174             {
2175                 int sock_type, bytes = sizeof(int);
2176
2177                 WINSOCK_unblock_io( pws->fd, TRUE );
2178
2179                 psop->prev = NULL;
2180                 psop->next = __ws_select_list;
2181                 if( __ws_select_list )
2182                     __ws_select_list->prev = psop;
2183                 __ws_select_list = psop;
2184
2185                 psop->pws = pws;
2186                 psop->hWnd = hWnd;
2187                 psop->uMsg = uMsg;
2188
2189                 pws->psop = psop;
2190                 pws->flags |= (0x0000FFFF & lEvent);
2191                 getsockopt(pws->fd, SOL_SOCKET, SO_TYPE, &sock_type, &bytes);
2192                 if( sock_type == SOCK_RAW ) pws->flags |= WS_FD_RAW;
2193
2194                 if( lEvent & (WS_FD_ACCEPT | WS_FD_CONNECT | WS_FD_READ | WS_FD_CLOSE) )
2195                     EVENT_AddIO( pws->fd, EVENT_IO_READ );
2196                 if( lEvent & (WS_FD_CONNECT | WS_FD_WRITE) )
2197                     EVENT_AddIO( pws->fd, EVENT_IO_WRITE );
2198
2199                 /* TODO: handle WS_FD_ACCEPT right away if the socket is readable */
2200
2201                 TRACE(winsock,"\tcreating psop = 0x%08x\n", (unsigned)psop );
2202
2203                 return 0; /* success */
2204             }
2205             else pwsi->err = WSAENOBUFS;
2206         }
2207         else return 0;
2208     }
2209     else if( pwsi ) pwsi->err = WSAEINVAL;
2210     return SOCKET_ERROR;
2211 }
2212
2213 INT16 WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, UINT32 lEvent)
2214 {
2215     return (INT16)WSAAsyncSelect32( s, hWnd, wMsg, lEvent );
2216 }
2217
2218
2219 /***********************************************************************
2220  *      __WSAFDIsSet()                  (WINSOCK.151)
2221  */
2222 INT16 WINAPI __WSAFDIsSet16(SOCKET16 s, ws_fd_set16 *set)
2223 {
2224   int i = set->fd_count;
2225
2226   TRACE(winsock, "(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2227
2228   while (i--)
2229       if (set->fd_array[i] == s) return 1;
2230   return 0;
2231 }
2232
2233 /***********************************************************************
2234  *      __WSAFDIsSet()                  (WSOCK32.151)
2235  */
2236 INT32 WINAPI __WSAFDIsSet32(SOCKET32 s, ws_fd_set32 *set)
2237 {
2238   int i = set->fd_count;
2239
2240   TRACE(winsock, "(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2241
2242   while (i--)
2243       if (set->fd_array[i] == s) return 1;
2244   return 0;
2245 }
2246
2247 /***********************************************************************
2248  *      WSAIsBlocking()                 (WINSOCK.114)(WSOCK32.114)
2249  */
2250 BOOL32 WINAPI WSAIsBlocking(void)
2251 {
2252   /* By default WinSock should set all its sockets to non-blocking mode
2253    * and poll in PeekMessage loop when processing "blocking" ones. This
2254    * function is supposed to tell if the program is in this loop. Our
2255    * blocking calls are truly blocking so we always return FALSE.
2256    *
2257    * Note: It is allowed to call this function without prior WSAStartup().
2258    */
2259
2260   TRACE(winsock, "\n");
2261   return FALSE;
2262 }
2263
2264 /***********************************************************************
2265  *      WSACancelBlockingCall()         (WINSOCK.113)(WSOCK32.113)
2266  */
2267 INT32 WINAPI WSACancelBlockingCall(void)
2268 {
2269   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2270
2271   TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2272
2273   if( pwsi ) return 0;
2274   return SOCKET_ERROR;
2275 }
2276
2277
2278 /***********************************************************************
2279  *      WSASetBlockingHook16()          (WINSOCK.109)
2280  */
2281 FARPROC16 WINAPI WSASetBlockingHook16(FARPROC16 lpBlockFunc)
2282 {
2283   FARPROC16             prev;
2284   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2285
2286   TRACE(winsock, "(%08x): hook %08x\n",
2287                (unsigned)pwsi, (unsigned) lpBlockFunc);
2288   if( pwsi )
2289   {
2290       prev = (FARPROC16)pwsi->blocking_hook;
2291       pwsi->blocking_hook = (DWORD)lpBlockFunc;
2292       pwsi->flags &= ~WSI_BLOCKINGHOOK32;
2293       return prev;
2294   }
2295   return 0;
2296 }
2297
2298
2299 /***********************************************************************
2300  *      WSASetBlockingHook32()
2301  */
2302 FARPROC32 WINAPI WSASetBlockingHook32(FARPROC32 lpBlockFunc)
2303 {
2304   FARPROC32             prev;
2305   LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2306
2307   TRACE(winsock, "(%08x): hook %08x\n",
2308                (unsigned)pwsi, (unsigned) lpBlockFunc);
2309   if( pwsi ) {
2310       prev = (FARPROC32)pwsi->blocking_hook;
2311       pwsi->blocking_hook = (DWORD)lpBlockFunc;
2312       pwsi->flags |= WSI_BLOCKINGHOOK32;
2313       return prev;
2314   }
2315   return NULL;
2316 }
2317
2318
2319 /***********************************************************************
2320  *      WSAUnhookBlockingHook16()       (WINSOCK.110)
2321  */
2322 INT16 WINAPI WSAUnhookBlockingHook16(void)
2323 {
2324     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2325
2326     TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2327     if( pwsi ) return (INT16)(pwsi->blocking_hook = 0);
2328     return SOCKET_ERROR;
2329 }
2330
2331
2332 /***********************************************************************
2333  *      WSAUnhookBlockingHook32()
2334  */
2335 INT32 WINAPI WSAUnhookBlockingHook32(void)
2336 {
2337     LPWSINFO              pwsi = wsi_find(GetCurrentTask());
2338
2339     TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2340     if( pwsi )
2341     {
2342         pwsi->blocking_hook = 0;
2343         pwsi->flags &= ~WSI_BLOCKINGHOOK32;
2344         return 0;
2345     }
2346     return SOCKET_ERROR;
2347 }
2348
2349 /*
2350  *      TCP/IP action codes.
2351  */
2352
2353
2354 #define WSCNTL_TCPIP_QUERY_INFO             0x00000000
2355 #define WSCNTL_TCPIP_SET_INFO               0x00000001
2356 #define WSCNTL_TCPIP_ICMP_ECHO              0x00000002
2357 #define WSCNTL_TCPIP_TEST                   0x00000003
2358
2359
2360 /***********************************************************************
2361  *      WsControl()
2362  *
2363  * WsControl seems to be an undocumented Win95 function. A lot of
2364  * discussion about WsControl can be found on the net, e.g.
2365  * Subject:      Re: WSOCK32.DLL WsControl Exported Function
2366  * From:         "Peter Rindfuss" <rindfuss-s@medea.wz-berlin.de>
2367  * Date:         1997/08/17
2368  */
2369
2370 DWORD WINAPI WsControl(DWORD protocoll,DWORD action,
2371                       LPVOID inbuf,LPDWORD inbuflen,
2372                       LPVOID outbuf,LPDWORD outbuflen)
2373 {
2374
2375   switch (action) {
2376   case WSCNTL_TCPIP_ICMP_ECHO:
2377     {
2378       unsigned int addr = *(unsigned int*)inbuf;
2379 #if 0
2380       int timeout= *(unsigned int*)(inbuf+4);
2381       short x1 = *(unsigned short*)(inbuf+8);
2382       short sendbufsize = *(unsigned short*)(inbuf+10);
2383       char x2 = *(unsigned char*)(inbuf+12);
2384       char ttl = *(unsigned char*)(inbuf+13);
2385       char service = *(unsigned char*)(inbuf+14);
2386       char type= *(unsigned char*)(inbuf+15); /* 0x2: don't fragment*/
2387 #endif
2388
2389       FIXME(winsock,"(ICMP_ECHO) to 0x%08x stub \n", addr);
2390       break;
2391     }
2392   default:
2393     FIXME(winsock,"(%lx,%lx,%p,%p,%p,%p) stub\n",
2394           protocoll,action,inbuf,inbuflen,outbuf,outbuflen);
2395   }
2396   return FALSE;
2397 }
2398 /*********************************************************
2399  *       WS_s_perror         WSOCK32.1108
2400  */
2401 void WINAPI WS_s_perror(LPCSTR message)
2402 {
2403     FIXME(winsock,"(%s): stub\n",message);
2404     return;
2405 }
2406
2407
2408 /* ----------------------------------- end of API stuff */
2409
2410 /* ----------------------------------- helper functions -
2411  *
2412  * TODO: Merge WS_dup_..() stuff into one function that
2413  * would operate with a generic structure containing internal
2414  * pointers (via a template of some kind).
2415  */
2416
2417 static int list_size(char** l, int item_size)
2418 {
2419   int i,j = 0;
2420   if(l)
2421   { for(i=0;l[i];i++)
2422         j += (item_size) ? item_size : strlen(l[i]) + 1;
2423     j += (i + 1) * sizeof(char*); }
2424   return j;
2425 }
2426
2427 static int list_dup(char** l_src, char* ref, char* base, int item_size)
2428 {
2429    /* base is either either equal to ref or 0 or SEGPTR */
2430
2431    char*                p = ref;
2432    char**               l_to = (char**)ref;
2433    int                  i,j,k;
2434
2435    for(j=0;l_src[j];j++) ;
2436    p += (j + 1) * sizeof(char*);
2437    for(i=0;i<j;i++)
2438    { l_to[i] = base + (p - ref);
2439      k = ( item_size ) ? item_size : strlen(l_src[i]) + 1;
2440      memcpy(p, l_src[i], k); p += k; }
2441    l_to[i] = NULL;
2442    return (p - ref);
2443 }
2444
2445 /* ----- hostent */
2446
2447 static int hostent_size(struct hostent* p_he)
2448 {
2449   int size = 0;
2450   if( p_he )
2451   { size  = sizeof(struct hostent);
2452     size += strlen(p_he->h_name) + 1;
2453     size += list_size(p_he->h_aliases, 0);
2454     size += list_size(p_he->h_addr_list, p_he->h_length ); }
2455   return size;
2456 }
2457
2458 int WS_dup_he(LPWSINFO pwsi, struct hostent* p_he, int flag)
2459 {
2460    /* Convert hostent structure into ws_hostent so that the data fits
2461     * into pwsi->buffer. Internal pointers can be linear, SEGPTR, or
2462     * relative to pwsi->buffer depending on "flag" value. Returns size
2463     * of the data copied (also in the pwsi->buflen).
2464     */
2465
2466    int size = hostent_size(p_he);
2467    if( size )
2468    {
2469      struct ws_hostent* p_to;
2470      char* p_name,*p_aliases,*p_addr,*p_base,*p;
2471
2472      _check_buffer(pwsi, size);
2473      p_to = (struct ws_hostent*)pwsi->buffer;
2474      p = pwsi->buffer;
2475      p_base = (flag & WS_DUP_OFFSET) ? NULL
2476                                      : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2477      p += sizeof(struct ws_hostent);
2478      p_name = p;
2479      strcpy(p, p_he->h_name); p += strlen(p) + 1;
2480      p_aliases = p;
2481      p += list_dup(p_he->h_aliases, p, p_base + (p - pwsi->buffer), 0);
2482      p_addr = p;
2483      list_dup(p_he->h_addr_list, p, p_base + (p - pwsi->buffer), p_he->h_length);
2484
2485      p_to->h_addrtype = (INT16)p_he->h_addrtype;
2486      p_to->h_length = (INT16)p_he->h_length;
2487      p_to->h_name = (SEGPTR)(p_base + (p_name - pwsi->buffer));
2488      p_to->h_aliases = (SEGPTR)(p_base + (p_aliases - pwsi->buffer));
2489      p_to->h_addr_list = (SEGPTR)(p_base + (p_addr - pwsi->buffer));
2490
2491      size += (sizeof(struct ws_hostent) - sizeof(struct hostent));
2492    }
2493    return size;
2494 }
2495
2496 /* ----- protoent */
2497
2498 static int protoent_size(struct protoent* p_pe)
2499 {
2500   int size = 0;
2501   if( p_pe )
2502   { size  = sizeof(struct protoent);
2503     size += strlen(p_pe->p_name) + 1;
2504     size += list_size(p_pe->p_aliases, 0); }
2505   return size;
2506 }
2507
2508 int WS_dup_pe(LPWSINFO pwsi, struct protoent* p_pe, int flag)
2509 {
2510    int size = protoent_size(p_pe);
2511    if( size )
2512    {
2513      struct ws_protoent* p_to;
2514      char* p_name,*p_aliases,*p_base,*p;
2515
2516      _check_buffer(pwsi, size);
2517      p_to = (struct ws_protoent*)pwsi->buffer;
2518      p = pwsi->buffer;
2519      p_base = (flag & WS_DUP_OFFSET) ? NULL
2520                                      : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2521      p += sizeof(struct ws_protoent);
2522      p_name = p;
2523      strcpy(p, p_pe->p_name); p += strlen(p) + 1;
2524      p_aliases = p;
2525      list_dup(p_pe->p_aliases, p, p_base + (p - pwsi->buffer), 0);
2526
2527      p_to->p_proto = (INT16)p_pe->p_proto;
2528      p_to->p_name = (SEGPTR)(p_base) + (p_name - pwsi->buffer);
2529      p_to->p_aliases = (SEGPTR)((p_base) + (p_aliases - pwsi->buffer));
2530
2531      size += (sizeof(struct ws_protoent) - sizeof(struct protoent));
2532    }
2533    return size;
2534 }
2535
2536 /* ----- servent */
2537
2538 static int servent_size(struct servent* p_se)
2539 {
2540   int size = 0;
2541   if( p_se )
2542   { size += sizeof(struct servent);
2543     size += strlen(p_se->s_proto) + strlen(p_se->s_name) + 2;
2544     size += list_size(p_se->s_aliases, 0); }
2545   return size;
2546 }
2547
2548 int WS_dup_se(LPWSINFO pwsi, struct servent* p_se, int flag)
2549 {
2550    int size = servent_size(p_se);
2551    if( size )
2552    {
2553      struct ws_servent* p_to;
2554      char* p_name,*p_aliases,*p_proto,*p_base,*p;
2555
2556      _check_buffer(pwsi, size);
2557      p_to = (struct ws_servent*)pwsi->buffer;
2558      p = pwsi->buffer;
2559      p_base = (flag & WS_DUP_OFFSET) ? NULL
2560                                      : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2561      p += sizeof(struct ws_servent);
2562      p_name = p;
2563      strcpy(p, p_se->s_name); p += strlen(p) + 1;
2564      p_proto = p;
2565      strcpy(p, p_se->s_proto); p += strlen(p) + 1;
2566      p_aliases = p;
2567      list_dup(p_se->s_aliases, p, p_base + (p - pwsi->buffer), 0);
2568
2569      p_to->s_port = (INT16)p_se->s_port;
2570      p_to->s_name = (SEGPTR)(p_base + (p_name - pwsi->buffer));
2571      p_to->s_proto = (SEGPTR)(p_base + (p_proto - pwsi->buffer));
2572      p_to->s_aliases = (SEGPTR)(p_base + (p_aliases - pwsi->buffer));
2573
2574      size += (sizeof(struct ws_servent) - sizeof(struct servent));
2575    }
2576    return size;
2577 }
2578
2579 /* ----------------------------------- error handling */
2580
2581 UINT16 wsaErrno(void)
2582 {
2583     int loc_errno = errno;
2584 #if defined(__FreeBSD__)
2585        ERR(winsock, "errno %d, (%s).\n",
2586                                          errno, strerror(errno));
2587 #else
2588        ERR(winsock, "errno %d\n", errno);
2589 #endif
2590
2591     switch(loc_errno)
2592     {
2593         case EINTR:             return WSAEINTR;
2594         case EBADF:             return WSAEBADF;
2595         case EACCES:            return WSAEACCES;
2596         case EFAULT:            return WSAEFAULT;
2597         case EINVAL:            return WSAEINVAL;
2598         case EMFILE:            return WSAEMFILE;
2599         case EWOULDBLOCK:       return WSAEWOULDBLOCK;
2600         case EINPROGRESS:       return WSAEINPROGRESS;
2601         case EALREADY:          return WSAEALREADY;
2602         case ENOTSOCK:          return WSAENOTSOCK;
2603         case EDESTADDRREQ:      return WSAEDESTADDRREQ;
2604         case EMSGSIZE:          return WSAEMSGSIZE;
2605         case EPROTOTYPE:        return WSAEPROTOTYPE;
2606         case ENOPROTOOPT:       return WSAENOPROTOOPT;
2607         case EPROTONOSUPPORT:   return WSAEPROTONOSUPPORT;
2608         case ESOCKTNOSUPPORT:   return WSAESOCKTNOSUPPORT;
2609         case EOPNOTSUPP:        return WSAEOPNOTSUPP;
2610         case EPFNOSUPPORT:      return WSAEPFNOSUPPORT;
2611         case EAFNOSUPPORT:      return WSAEAFNOSUPPORT;
2612         case EADDRINUSE:        return WSAEADDRINUSE;
2613         case EADDRNOTAVAIL:     return WSAEADDRNOTAVAIL;
2614         case ENETDOWN:          return WSAENETDOWN;
2615         case ENETUNREACH:       return WSAENETUNREACH;
2616         case ENETRESET:         return WSAENETRESET;
2617         case ECONNABORTED:      return WSAECONNABORTED;
2618         case EPIPE:
2619         case ECONNRESET:        return WSAECONNRESET;
2620         case ENOBUFS:           return WSAENOBUFS;
2621         case EISCONN:           return WSAEISCONN;
2622         case ENOTCONN:          return WSAENOTCONN;
2623         case ESHUTDOWN:         return WSAESHUTDOWN;
2624         case ETOOMANYREFS:      return WSAETOOMANYREFS;
2625         case ETIMEDOUT:         return WSAETIMEDOUT;
2626         case ECONNREFUSED:      return WSAECONNREFUSED;
2627         case ELOOP:             return WSAELOOP;
2628         case ENAMETOOLONG:      return WSAENAMETOOLONG;
2629         case EHOSTDOWN:         return WSAEHOSTDOWN;
2630         case EHOSTUNREACH:      return WSAEHOSTUNREACH;
2631         case ENOTEMPTY:         return WSAENOTEMPTY;
2632 #ifdef EPROCLIM
2633         case EPROCLIM:          return WSAEPROCLIM;
2634 #endif
2635 #ifdef EUSERS
2636         case EUSERS:            return WSAEUSERS;
2637 #endif
2638 #ifdef EDQUOT
2639         case EDQUOT:            return WSAEDQUOT;
2640 #endif
2641 #ifdef ESTALE
2642         case ESTALE:            return WSAESTALE;
2643 #endif
2644 #ifdef EREMOTE
2645         case EREMOTE:           return WSAEREMOTE;
2646 #endif
2647
2648        /* just in case we ever get here and there are no problems */
2649         case 0:                 return 0;
2650         default:
2651                 WARN(winsock, "Unknown errno %d!\n", errno);
2652                 return WSAEOPNOTSUPP;
2653     }
2654 }
2655
2656 UINT16 wsaHerrno(void)
2657 {
2658     int         loc_errno = h_errno;
2659
2660 #if defined(__FreeBSD__)
2661     ERR(winsock, "h_errno %d, (%s).\n",
2662                     h_errno, strerror(h_errno));
2663 #else
2664     ERR(winsock, "h_errno %d.\n", h_errno);
2665 #endif
2666
2667     switch(loc_errno)
2668     {
2669         case HOST_NOT_FOUND:    return WSAHOST_NOT_FOUND;
2670         case TRY_AGAIN:         return WSATRY_AGAIN;
2671         case NO_RECOVERY:       return WSANO_RECOVERY;
2672         case NO_DATA:           return WSANO_DATA;
2673
2674         case 0:                 return 0;
2675         default:
2676                 WARN(winsock,"Unknown h_errno %d!\n", h_errno);
2677                 return WSAEOPNOTSUPP;
2678     }
2679 }